Imperial Legion Naval Arsenal

House Aquila prides itself on maintaining an extensive arsenal of weapons for the use in the Imperial Legions. Everything from small arms to capital ship class weapons, the Legions are armed to face any situation.

*For Aquilan ship classes which use these weapons and systems, see Imperial Legion Navalis*

## Propulsion Systems

### Spike Drives

Aquilan warships use tried and tested designs created and produced by House Fornax, see Spike Drives for details.

#### SD-L2 Mk IV

Utilizing the DAZH Fornax drive, the SD-L2 is a workhorse of the Imperial Legions and has been in use for centuries. As House Fornax continued to innovate spike drive technology the number of DAZH systems in active duty began to decrease. There have been a number of attempts to phase out the now antiquated drive, however many proponents cite its exceptional reliability and unparalleled service record. Currently SD-L2 engines are relegated to mothballed reserve vessels and low priority cargo haulers.

#### SD-L3 Mk III

The oldest spike drive still in serial production, the SD-L3 uses the House Fornax ZHURE Drive-3 system. The SD-L3 has seen use in combat and non-combat Navalis vessels since its adoption in 2783. The robustness and versatility of the drive engine has proven to be immensely popular throughout the Legions. With the advent of the level 4 drives during the Second Imperial Civil War, the SD-L3 has taken a secondary role within the Legions but still maintains a sizable presence within the Navalis. The Mk III is the latest Aquilan internal revision, released in 3089, and sees substantial improvements in energy efficiency. In the modern era the SD-L3 can be found on system and commerce patrol craft at or below cruiser sizes or venerable capital ships that remain low on the refit and rearming priority.

#### SD-L4 Mk II

The production version of the LOGI drives released shortly after the Second Imperial Civil War. Unlike previous drive versions, the SD-L4 was given the green light for complete adoption within six months of the public announcement, as former White Legion vessels had been using retrofits and prototype variants for decades at that point. Despite the already detailed combat record and proven reliability many captains and crews, particularly those of smaller warships were concerned with the significant increase in volume required by the production versions. The Mk II, released in 3065, finally saw these concerns put to rest as optimizations in design and assembly were able to decrease the systems overall profile and volume within Navalis warships. The SD-L4 has become the mainstay of Navalis strike fleet, interdiction or other front-line combat assets.

#### FSD-L4 Mk V

A specialized version of the LOGI exclusively produced and maintained by House Fornax, the FSD-L4 utilizes proprietary Fornax technology and components that improve the overall energy capacity and fuel efficiency. While approved for active service, the FSD-L4 requires trained Fornax personnel in order to repair and maintain the drive system. This paired with the unique components limits the systems deployment opportunities. These technical limitations result in a significant increase in operational cost. Because of this, the FSD-L4 is reserved for long-range reconnaissance or patrol craft and High Value Target courier and messenger vessels.

#### XFSD-L5 PELE X-I

The most advanced spike drive available to the Aquilan Legions, the XFSD-L5 utilizes the latest PELE drive announced by House Fornax in 3200. While approvals and combat trials are still ongoing, a number of eager legates have pushed ahead and installed prototypes on a number of flagships and Navalis warships. Similar to the FSD-L4, any use or operation of the XFSD-L5 requires a detachment of House Fornax engineers and technicians on-board to monitor, evaluate, and maintain the drive system. Many within the Convocation eagerly await full deployment of drive-5 warships and fleets.

### Capital Class In-System Drives

In system propulsion utilises the spike drives ability to manipulate gravity fields to create a gravity wave capable of propelling a vessel. Spike drives passively produce gravity waves when idle, In system drives are designed to harness these emissions and direct them to allow maneuvering. By harnessing the already active emissions of the spike drive the In system drives have a negligible impact on a vessels fuel supply. Theoretically by this method a vessel could reach close to the speed of light, however the issues with time dilation and the possibility of colliding with interstellar objects or other gravity waves means a maximum of a quarter light speed is maintained, instead the spike drives ability to open conduits into drive space is relied upon for interstellar travel.

A large limiting factor for in system drives is the rate of acceleration a ship can cope with. The most advanced in system drives can maintain a rate of acceleration of 300G, but require large inertia compensators to be installed alongside the drives to reduce the effect of the acceleration on crew and components of the vessel.

#### ISP-G3 Mk IV

The largest engines available to House Aquila, the ISP-G3 Mk IV engines are designed to be installed on Aquilan vessels battlecruiser class and above. The engines are specially adapted to be highly efficient and utilise even the smallest amount of gravity waves produced by a vessel's spike drive. Many ships use a mixture of these engines and ISP-G2 engines which focus on maneuvering the vessel, while the ISP-G3 focus on providing raw thrust to the vessel. As the class of ships they are installed upon are some of the heaviest ships in the Aquilan fleet, the ISP-G3 usually only achieves around 250G of acceleration.

The Mk IV redesign was focused on reducing the signature of the drive. Released in 3082, the engines no produce a vastly thinner wake by overlapping several field emitters. This makes a vessels wake significantly more difficult to detect but is still fairly easy for most advanced sensors. However it does make determining the class and makeup of the vessel harder to distinguish from a smaller vessel, thus allowing for an element of confusion on the battlefield.

#### ISP-G2 Mk VII

The ISP-G2 is the most widely used engine in the Aquilan Navalis, the engine is installed on a variety of classes ranging from frigates to carrier class vessels. The ISP-G2 on larger warships are intended to provide maneuvering power whereas those installed on smaller vessels provide all thrust for the vessel. The lesser mass of the smaller vessels means that the ISP-G2 is unlikely to need assistance in providing acceleration of the warship.

A breakthrough in inertial compensator technology in 3090 allowed the Mk VII to provide greater acceleration without harmful side effects for both crew and on-board components. The Mk VII can now achieve 300G of acceleration.

#### ISP-G1 Mk VII

The ISP-G1 is similar in many aspects to the ISP-G2, it is largely the same engine reduced in size and weight by fifty percent. The reduction in size makes it the perfect engine for smaller vessels of frigate and corvette class. The lower mass of these vessels means even less power is needed to provide similar levels of acceleration and maneuverability.

With both the ISP-G3 Mk IV and ISP-G2 VII projects completed in late 3095 ,the Office of the Navalis instructed shipwrights to investigate taking aspects of both engines for the ISP-G1 Mk VII. The Office of the Navalis was specifically looking for an engine that would complement the new ship designed as part of the Asymmetric Navalis Development Program. The aim was to make an engine capable of maintaining its level of acceleration but reducing the size of its wake enabling it to stay undetected. The outcome of this program was the Mk VIII, unfortunately the level of acceleration desired could not be achieved so the MK VII remained restricted to certain masses of vessel but the reduction in wake size was above even the most hopeful of predictions.

### Strikecraft In-System Drives

Unlike engines on a capital class vessel, a strikecraft or voidcraft engine has to produce its own gravity waves as most are not outfitted with spike drives. Production of these gravity waves can quickly drain the fuel carried by strikecraft after a period of high intensity use which can severely reduce the range that strike craft can operate away from support. The lack of a spike drive also means strikecraft are required to be carried by other vessels for travel between systems.

These engines can perform in both void and atmosphere conditions but the extra friction created by flying in atmosphere significantly increases fuel consumption. It is general practice for Aquilan Navalis strikecraft to limit time in atmosphere to a minimum. Hastati/Triarii Legions do have access to atmosphere only variant engines but are not popular within the Navalis due to the restrictions they place on voidcraft.

#### SCD-G2 Mk XII

The SCD-G2 is specifically designed to be as efficient as possible, significantly reducing the engines rate of acceleration in return for increased operational range. The engine can provide propulsion to a strikecraft for several days if used extremely sparingly. This has the added benefit of enabling a strikecraft to reduce its drive signature to almost non-existent levels. This tactic is used especially during reconnaissance missions or ambushes.

The Mk XII continued to make improvements on fuel consumption and the rate of acceleration but the main advancement was a new mounting, made to enable quick removal of the engine allowing it to be swapped out for a SCG-G1 or easily replaced if damaged. An experienced deck crew can swap these engines within fifteen minutes and have the voidcraft launched. Versatility and adaptability becoming the most important tool for the Aquilan Navalis.

#### SCG-G1 Mk VIII

The SCG-G1 focuses on providing as much acceleration a voidcraft can handle. This means the drive will quickly run through its fuel supply within hours when used at a high intensity but the advantage it provides in a dogfight is immeasurable. Strikecraft lack the space for compensators like a capital class ship can carry but these engines can still provide up to 50G of acceleration if needed.

Pilots performing these High G accelerations have to be careful they do not exceed their tolerance during maneuvers, special flight suits that reduce the effects of High G maneuvers and a suite of drugs can be administered during flight if need be are included in every strikecraft. Excessive use of these drugs, however, have terrible side effects and are only to be used in dire circumstances. Included in the engine is a cut off switch tied to biomonitors for the crew that can activate if pilots suffer grey-outs or red-outs. However, many pilots have been known to hack these cut offs giving them even more leeway.

The Mk VII uses the same mounting as the SCD-G2 Mk XII. The Mk VIII also utilizes the new advancements in compensator technology but is unable to take advantage as much as a capital class ship because they lack the space required to house the most advanced compensators developed for the ISP-G2 Mk VII.

## Power Systems

As with most ships in the Empire, vessels of the the Aquilan Navalis achieve power generation by using fusion power plants. With the power plants used by Navalis ships being some of the most efficient and powerful available.

### PS-L1 Mk V Fusion Plant [Type 2]

The standard fusion power plant of the Aquilan Navalis. The PS-L1 provides power to weapons and auxiliary systems so as not to drain power from the spike drive. The Mark V introduced a new cooling system, allowing the plant to retain military power for longer periods of time. Due to its size. the PS-L1 Mk V is only installed on the largest Aquilan warships of battlecruisers and above in tonnage.

Despite the approval for the PS-L2 Mk I upgrade, the vast majority of Navalis capital class ships retain the use of the PS-L1 Mk V, the cost of replacement and need for active vessels during the War Against the Artificials has made any refits a low priority.

### PS-L2 Mk I Fusion Plant

The newest designed fusion plant in the sector, the PS-L2 was developed a few years before the outbreak of the War Against the Artificials. This fusion power plant was a leap in technology that promised much in the way of military power production. The PS-L2 uses a new catalyst mixture that allows it to ramp up energy production in half the time of earlier power plants, reducing the need to keep the fusion plant at higher levels of readiness. This in turn reduces the amount of cooling systems allowing for an armoured casing and ejection system to be installed without an increase in overall weight.

Implementation of the PS-L2 has been dogged with delays and setbacks due to the outbreak of the War Against the Artificials. The PS-L2 is therefore only fitted on a handful of the most powerful warships in the Aquilan fleet. Due to its size the PS-L2 Mk I is only installed on the largest Aquilan warships, battlecruisers and above in tonnage.

### PS-SL1 Mk III Fusion Plant [Type 2]

The PS-SL1 Mk III Fusion Plant is built on a similar template as the PS-L1 Mk V. Designed to be used on smaller vessels, cruisers and below, the PS-SL1 Mk III power output is reduced by 75% but correlates with a similar reduction in size and weight. With this reduction, its reliance on extra cooling systems was never an issue with the SL1 variants, instead the focus of improvement has always been the power output levels. The Mk III introduced a new electromagnetic containment system that allowed the power plant to push beyond its previously recommended output levels for relatively short periods of time.

Approval of the PS-SL2 means the PS-SL1 has been scheduled for replacement. The ease of which compared to the larger power plants means the majority of these power plants have been replaced by PS-SL2. However, with demand for new vessels increasing, stockpiles of the PS-SL1 have been released for support vessels, reserving the PS-SL2 supply for ships-of-the-line.

### PS-SL2 Mk I Fusion Plant

The PS-SL2 has a similar relationship to the PS-SL21as the PS-L2 Mk I has to the PS-L1 Mk V. Designed to be installed on cruisers and below, the PS-SL2 uses the same catalyst as the PS-L2 to allow a reduction in operational readiness due to the substantial increase in generation response time. As with its larger counterpart, the SL2 reduces the strain on the various cooling systems, includes additional shielding as well as an on-board ejection system with minimal impact on a warship.

Unlike the L2, the implementation of the SL2 plant was well underway before the onset of the Cygnus conflict. As such, the majority of active combat vessels capable of using the SL2 have it installed, with stockpiles being prepared to refit reserve warships.

### ALC-001 Antimatter Core

The largest and most advanced power generation system used within the Navalis, the ALC-001 can support the unparalleled amounts of energy. Containing volatile and dangerous anti-matter requires substantial electromagnetic fields and shielding. In order to operate safely, ALC systems are paired with other standard fusion generators to minimize the changes of containment failure or breach. Because of this, and the space necessary to contain all of the supporting systems and protective layers ALC systems are only found in the largest and most powerful warships and void stations. While the technology has proven itself throughout the decades of service, it has yet to reach a point where it can safely be implemented in smaller warships.

### AXPS-L5 Mk IX Auxiliary Power Plant

A series of smaller secondary generators, typically reserved for larger Navalis warships, the AXPS system allows for increased redundancy in critical systems by providing back-up power during emergencies. While generally smaller and less powerful than the main fusion based systems, the AXPS is more than capable of maintaining basic craft functions in the event of main supply interruption or shut-down. Installation of the AXPS also includes an external hydrogen gathering device, typically mounted on a maneuverable arm. The gas can be gathered and stored on board to prolong operational time while awaiting relief. The Mk IX included additional systems that can integrate with the larger weapons and energy storage systems found on many legion flagships. This allows the AXPS to supplement the main reactor during combat operations. Doing this can reduce the AXPS effectiveness during interruption or failure of the main plant, and is therefore only done during the most extreme conditions.

### PSSD-02 Mk V Power Storage System

The PSSD power storage system is a collection of banks of capacitors and advanced energy storage systems used to provide short bursts of the tremendous energy required to power or charge the macro-scale weapons systems found on the largest Navalis vessels and stations. Generally these storage banks have direct access to both the main power plant as well as the weapon platforms it supports. The Mk V went into full production in 3080 and was coupled with the latest in conduction and insulation technology. This reduced both charge time, which allowed for longer times of optimal power consumption during combat operations, and reduced the risk of violent discharge in the event of system damage.

### PS-SSL1 Mk III Hydrogen Generator

Tied directly to the strikecraft engine systems, the PS-SSL1 generates the power necessary to operate the various control and avionics systems within the various strikecraft in the Navalis. As with most small-scale void-capable generators, the PS-SSL1 runs on hydrogen with armoured fuel tanks located inside the fuselage. As with many features within strikecraft, power and speed take primacy over efficiency, as such the PS-SSL1 is incapable of supporting most planet-to-planet in-system travel without resupply or refueling along the way. The Mk III has served as the mainstay for non-spike capable craft since 3030.

## Capital Class Weapon Systems

### ACSW I-A & I-H Mk XV Shen-Yi Light and Heavy Railguns

Direct-fire magnetic acceleration weapons platforms are said to have been in use since long before humanity entered the Acheron Rho sector. And the Imperial Legions have employed them to great success since the earliest colonial wars. The Shen-Yi differs from many other platform designations in that it represents a family of options. ‘Light’ and ‘Heavy’ railguns are defined by the mass of the accelerated slug and the maximum launch velocity. Both options have fixed and turreted emplacement options, with the turreted option allowing a single, twin, or quad rail cannon layout. This is documented and cataloged by the alphanumeric designation for the platform: ‘A’ through ‘D’ list the Light Railgun options (ordered Fixed, Single cannon turret, dual cannon turret, and Quad cannon turret), and the ‘E’ through ‘H’ list the Heavy Railgun options.

Heavy Railguns are predominantly employed in anti-capital ship and station roles as the larger mass of the slug and higher exit velocities increase the operational range as well as armour piercing capabilities. Though devastating in terms of damage, Heavy Shen-Yi emplacements struggle to engage strikecraft or more nimble corvette class warships. Light Railguns seek to alleviate this drawback by sacrificing effective range and armour piercing for firing rate and target tracking. These lighter platforms are typically found on cruiser-class and below, however many of the larger warship classes are designed to engage enemy formations at close range and utilize batteries of light railguns to overwhelm enemy defences with devastating volleys of coordinated fire.

### ACSW II Ianna Mk V Point Defence System

Given the typical engagement range bands in void warfare are in the hundreds of kilometers, active defence and countermeasure systems take primacy over passive systems such as armour and coatings. The Ianna utilizes a mixture of energy and kinetic based platforms to create overlapping fields of fire across various range zones. This diversification of weapon types enable warships of all classes and sizes to mount an active defence against a wide variety of projectiles and voidcraft or specialized to facilitate unique battlefield roles. Kinetic launchers fire clusters of high density sabot rounds in wide arcs to intercept larger missiles, torpedoes, and voidcraft. Laser clusters form the first line of defence, but the beams can also be reduced in intensity which dramatically increases the rate of fire. This alternate firing mode supplements the kinetic launchers at closer range bands. On larger warships, the Ianna combines with missile based interception systems to create a robust active defence network. Aquilan warships employ a number of automated support systems to alleviate the strain and demand on the crew during combat scenarios. Ianna systems have supporting targeting and alignment systems controlled by these automated sub-systems.

### ACSW III-A & III-D Raijin Mk VII Multifocal Laser Cannon

As with the various magnetic railgun platforms, multifocal laser batteries have been a mainstay of space combat since long before the Scream. High energy laser cannons fill a similar role to magnetic railguns in void engagements, and have higher penetration capacity against more traditional armour plating styles. This is offset by the maximum effective range, which is typically between light and heavy railgun systems, as well as the vulnerability to energy absorption and disruption technology. Despite this, Raijin batteries have proven to be versatile against a wide array of capital-class and strike-class vessels. Threat and ordinance diversification has been a cornerstone of Aquilan ideology since the founding of the noble house. A second commonality with the Shen-Yi is the mounting options and alphanumeric designations. Fixed and turreted options are readily available, with turreted options have single, dual, or quad cannon configurations.

### ACSW IV Leos Mk III Plasma Turret

Plasma technology has seen far more deployment and success in void combat environments since its inception as a weapons platform. The lack of atmospheric effects and readily available power generation, power capacity, and overall space have all influenced this success. The Leos is the largest plasma based weapons platform in service within the Legions. Typically seen in turreted clusters, volleys of plasma energy prove devastating against voidcraft of all sizes. Virtually immune to active defence systems, and extremely effective against passive ones, plasma weapons see use in warships of every shape and size. The Mk III incorporates the latest developments in magnetic field generation and focus implemented in the ACSW X, and have dramatically increased the weapon’s accuracy and fire rate.

### ACSW V Euphor Mk IV Void Torpedoe Launcher

With only the largest and most powerful direct fire weapons capable of the most extreme engagement ranges, self propelled and guided weapons systems have long reigned supreme in the initial phases of space combat. Capital class grade void torpedoes have the longest engagement range within the Navalis arsenal, with the Euphor torpedoes having a range of up to three thousand kilometers these torpedoes are larger and more powerful than the comparable missile projectiles. As with their shorter ranged counterparts, Euphor ordnance packages contain multiple individual warheads that are launched on final approach to the target. Each of these warheads employ a high energy plasma sheath that is capable of bypassing most conventional protective coatings and the outermost layers of armour and hull. On-board guidance and telemetry systems enable the Euphor to navigate across space with minimal input from the launching craft during flight. Redirection and course correction via remote command enables Navalis crew to respond to a changing battlefield environment. The Mk IV Euphor utilizes the latest in developments in stealth technology in order to minimize its electromagnetic signature during transit. The booster stage engines have also gone through a number of minor improvements, reducing the time needed to reach optimal cruising speeds.

### ACSW VI Athis Mk V Multi-stage Missile Launcher

The ACSW IV Athis is the mid-range indirect fire weapons platform of choice for the Aquilan Legions. Though smaller than the Euphor Void Torpedoes, these multi-staged rockets can engage targets up to a thousand kilometers away. As with all self-propelled and guided munitions, Athis ordinance packages contain a number of smaller warheads that separate and accelerate towards the target on final approach. Unlike the Euphor, these ordinance packages can be changed between a variety of types during combat. This flexibility has proven to be tremendously advantageous over the centuries, allowing Navalis ships of any size and class to respond to changing battlefield requirements. Armour piercing high explosive rounds have proven to be effective against voidcraft and stations of all sizes while canister or cluster charges are ideal for mid-range strikecraft and missile interception. Support or screen vessels also carry a complement of electromagnetic ‘chaff’ rounds that scatter EM disruptive devices and material capable of jamming all but the most sophisticated sensor and communication systems in a wide area. Typically only employed in space combat, Athis missiles can be used for ground bombardment using similar ordnance packages to the smaller ASCW V Slinger, but require the warship to enter the upper atmosphere before launching to mitigate the effects of reentry.

### ACSW VII Nesha Gravity Cannon

The precursor to the terrestrial based gravity wave projectors in development, the Nesha has been a versatile weapons platform in the Navalis arsenal for over a century. As with the experimental man-portable versions, the Nesha projects and focuses gravity waves at specific points and areas in front of the weapon. These waves fluctuate in intensity and direction, resulting in intense physical strain on the hull and underlying structure of the target. At lower intensities, the Nesha is also capable of holding, pushing or pulling objects in space. The weapons effective range is below 100km, which is one of the shortest in the Navalis arsenal, however the platform sees wide use across the various warship classes due to the versatility in and out of combat operations.

### ACSW VIII Ajax Mk III Macro Mass Rail Cannon

Said to be developed during the War for Human Prosperity, the Ajax is the first in the macro-series of void weapons. Utilizing the same technology as a railgun or other magnetic acceleration systems on an enormous scale, the weapon is capable of accelerating slugs the size of small strikecraft at opposing warships, stations, or planetary emplacements. The massive rounds pose a serious threat to warships of any size, and are capable of annihilating smaller vessels in a single shot. Due to the size of the electromagnets, their supporting systems, as well as the volume required for ammunition storage, the Ajax is limited to use on the largest Aquilan warships, or the most formidable orbital fortresses and planetary defence systems. Though the platform has a near flawless service record, a number of iterations have been made over the centuries, these predominantly focus on the cooling and power generation systems for the magnets, in order to reduce the cycle time and increase the firing rate.

### ACSW IX Fiann High Capacity Macro Energy Cannon

The second in the macro-series, the Fiann is a scaled up laser cannon capable of obliterating small to medium warships in a single volley. When operating in a combat environment, the weapon requires a portion of the main reactor’s power to be redirected to the capacitor banks. This enables the Fiann to maintain a moderate fire rate, but will reduce the available power for navigation and other subsystems. Many admirals and captains have viewed this as a flaw, while others see it as a necessary tradeoff. Due to the nature of the weapon, it is predominantly used in mid to close range engagements. As with the Ajax, deployment of the ACSW IX is limited to the larger battlecruisers and battleships of the Navalis. Deployment on static installations and planetary defences is uncommon as Ajax has a number of factors that makes it superior in these roles.

### ACSW X Ingeld Mk IX Charged Particle Emitter

Redirecting a small percentage of the vessels spike drive system, the Ingeld concentrates and directs a beam of charged particles at an opposing warship. While doing very little physical harm, the beam overloads and disrupts on-board electronics. Focused barrages are capable of disabling smaller vessels, rendering them dead in the water. Larger vessels typically require coordinated fire from an entire squadron to disable, however attack runs by lone craft can shut down multiple decks and enable devastating follow up attack runs by strikecraft or boarding parties.
The Mk IX has shown significant improvements on the magnetic field shape and intensity which increases the particle stream density exiting the weapon. This has improved overall disruption efficiency, however effective range remains an underlying weakness for the platform. Agile cruisers and frigates remain the most effective delivery platform.

### ACSW XI Sigi Mk XII Orbital Bombardment Platform

More of a mounting and targeting system than an independent weapons platform, the Sigi enables the largest projectile, energy, and plasma based weapons systems to engage terrestrial based targets with minimal repositioning or reconfiguring of the targeting computation systems. The Mk XII adds additional compatibility with Hastati and Triarii targeting systems, decreasing the time between target identification and engagement. These orbital bombardment mountings are found on the larger battlecruisers and battleships, however this does not prevent smaller warships from contributing or participating in orbital barrages.

## Strikecraft Weapon Systems

### ASCW I Vulkan Rail Cannon Mk III

The Vulkan Cannon is one of the mainstays of the Triarii strikecraft arsenal. An interlocking series of electromagnetic rails and coils to produce tremendous acceleration while not compromising on size or weight. The Mk III, developed and released in the mid 3055, improves on the capacitor recharge rate and feeding mechanisms to dramatically improve the fire rate with almost no sacrifice in velocity. Typically mounted on fixed wing hardpoints or built into the craft’s fuselage, the Vulkan can be found on many of the ground attack and interception vessels within the Legions.

### ASCW II Ares Kinetic Turret Mk II

A derivative of the ASCW I, the Ares takes the very successful kinetic cannon system and adapts it into a focused ground support platform. Two cannons are mounted on a rotatable turret, providing both 360° rotation and 180° elevation change. This enables the platform to engage ground targets with minimal alteration to the craft’s flight path. Typical rail or kinetic cannon platforms are designed to engage armoured targets, but the tremendous volume of tungsten slugs has proven devastating against armoured and un-armoured targets. Improvements in ground-to-air coordination and targeting relays enable Triarii to perform suppression and precision strike operations as necessary.

### ASCW III Longbow Torpedo Mk V

The primary weapons system for strikecraft-to-spaceship engagements, the Longbow Torpedo is the largest and most powerful platform carried by Aquilan voidcraft. Utilizing a large fuel capacity, advanced on-board guidance systems, and reaction control systems, the Longbow is capable of traversing and navigating hundreds of kilometers to the target. The torpedo carries multiple warheads, which split off from the main body during final approach. This both maximizes the damage spread and minimizes the effect of opposing point defence systems. The Mk V improves on the warhead design and incorporates projectors that emit a momentary burst of plasma just before impact. This burst disrupts and penetrates the outer layers of protection and ensures the subsequent detonations cause catastrophic damage.

Due to the size of the platform, it is typically installed on the larger, multi-crew strikecraft. The purpose built bombers are also able to best utilize the weapons system, with dedicated gunners capable of redirecting torpedo salvoes mid-flight.

### ASCW IV Ephyra Semi-guided Ordinance Mk X

Area denial and suppression has been a tried and true element of warfare since long before humanity's first steps in Acheron Rho. As such, many of the Ephyra systems and designs date back to the earliest days of colonization. Like most weapons in the Aquilan arsenal, flexibility has been the primary focus in terms of development iteration. Payload types are interchangeable on a uniform delivery system, enabling task groups to fulfill a wide variety of mission profiles while on-station in a combat theatre. The primary munitions are high explosive, incendiary, and wide-area cluster dispersion. Various chemical and biological agents can be delivered, however the use of these weapons on the battlefield have been limited for centuries. On-board reaction control thrusters and directed magnetic fields allow for propulsion and direction in the absence of an atmosphere and other low gravity environments. These systems also enable mild course correction under typical battlefield conditions. Deployment of the Ephyra in space combat operations is rare, as it requires the attack craft to engage with spaceships at extremely close ranges, exposing them to the full brunt of point defence systems.

### ASCW V Slinger Guided Missiles Mk XV

The Slinger Guided Missile System exists between the Longbow Torpedoes and direct fire cannon systems, and are the primary platform for strikecraft based precision strikes. Because of the versatility in both range and warhead capabilities, as well as the larger ammunition capacity, Slinger missiles see heavy use in void and atmospheric combat operations. The Mk XV enhances the warhead interchangeability, enabling support crews to switch between cluster, high explosive, bunker busting, and plasma based anti-armour at a moments notice. The guidance package combines infrared, active radar, and semi-active laser to deliver the projectile on target. For ground based operations, this guidance system can also be integrated into orbital satellite navigation and positioning systems either in-place or actively deployed by Navalis forces. Targets can be engaged with high precision up to 250km away.

### ASCW VI Hyperion Laser Cannon Mk IV

Combat operations in the vacuum of space present a new set of challenges and obstacles for Triarii to overcome. While kinetic based weapons platforms have remained popular within House Aquila for their versatility, dedicated space borne forces have by in large favored energy based systems for their interception craft. The primary justification for this is the increased sortie time due to the removal of ammunition concerns for the primary armament. Many pilots have also cited the increased time to target as a distinct advantage during high g-force maneuvers. Development of the Mk IV focused on reducing the total platform envelope, reducing weight, and allowing for additional targeting and power capacity sub-systems to be installed.

### ASCW VII Novum Plasma Cannon Mk VI

As with the larger warships, plasma based weapons are an effective counter to the more robust armour and ionization coatings found in void warfare. As such, it has become the standard direct fire weapon employed in voidcraft to spaceship combat. As with the other types of direct fire weaponry, the Novum platform can be mounted on fixed wing or fuselage hardpoints. Unlike other systems, the Novum and Asteri platforms require supplementary power from the main drive engine in order to operate at full capacity. Because of this, it is rarely found on interception and other fast attack craft.

### ASCW VIII Asteri Plasma Turret Mk III

Developed in conjunction with the Novum, the ASCW VIII Asteri was to allow Falco close air support air frames to be used in space combat scenarios. Similar to the Ares, the Asteri uses twin cannons mounted on a rotating turret. Cooling and electromagnetic discharge became an issue during the early development phases, and necessitated altering the sub-systems and shielding. This resulted in refitted Falcos being unable to support the same number of secondary weapons platforms. This trade off was deemed acceptable during performance evaluations, as the damage output far exceeded preliminary projections. Asteri systems have become highly requested among the void based carrier groups within the Navalis Legions.

### ASCW IX Soteria Gen V Point Defence System Mk VIII

Typically found on the multi-crew bombers, shuttle, and transport craft, the ASCW IX is a miniaturized version of the kinetic projectile interception system seen on larger capital class vessels. The sub-turrets are mounted at strategic points around the vessel, to provide overlapping fields of fire for any approach vector. Automated targeting systems enable accurate interception fire with little crew interaction. Energy and kinetic based weapon mounts are interchangeable, which allows for ground crews to adjust for the combat environment. The Soteria forms the last line of active defence for the larger strike and shuttlecraft in combat zones.

## Auxiliary Systems

### VAX-I01 [I-IV] Voir Mk V Sensors

Detection and identification of friendly and opposing forces is the most critical factor in space combat and navigation. Voir packages contain both passive and active sensors, and are subdivided into a number of categories based on the size of the vehicle it is designed for or a vehicle's primary function.

* Tier I Voir packages are designed for strikecraft or shuttlecraft and contain a higher density of fast-response accelerometers and gyroscopes to determine instantaneous position during transit. Basic star and sun trackers assist the on-board nav-computer when determining in-system locations. For active sensors, high resolution LIDAR assists in object and collision detection and multi-band RADAR synchronises with navigation, avionics, and fire control systems. A number of additional sensors can be deployed during atmospheric flight.

* Tier II Voir systems are the first warship grade sensor package, and contain all of the necessary devices and systems necessary for in-system travel. At this level magnetometers and low resolution gravity wave detectors assist with void navigation and telemetry. This level also contains the most basic RADAR package for Navalis warships which when used in concert with a fire control system allows for the operation of most direct fire weapons platforms in a combat environment. Strain and temperature gauges located throughout the warship assist with various control systems, preventing any unnecessary damage or wear during the operation of the warship.

* Tier III Voir systems include high resolution RADAR, gravity wave detectors, EM imaging and scanning, as well as a magnetometer suite. These enhanced sensors are required for the more complex fire control systems in order to accurately calculate and plot firing solutions and indirect fire ordinance courses through a combat environment. The larger concentration of active sensors also allow for Navalis vessels to detect and track opposing vessels at longer ranges.

* Tier IV is the most specialized, containing a unique set of highly sensitive sensors and a VI controlled signal processing system capable of filtering out all but the weakest and most faint signals. This tier of detection package is designed to identify patterns of low level emissions and compare them to known outputs of the various stealth systems available in the Empire. When areas of interest are identified, probes containing similar high resolution detection systems are launched in an attempt to triangulate the suspected vessel or station location.

### VAX-C01 [I-IV] Ducis Mk XX Fire Control Systems

Fire control and direction systems synchronize with detection and navigation systems to calculate firing solutions for the varied weapons systems available to Navalis vessels. Once the optimal firing solutions are calculated, the Ducis system routes coordinate and trajectory information to the various automated weapons positioning and control subsystems. On larger warships, a team of weapons officers will monitor and oversee sections of a vessel and direct power allocations whereas strikecraft automate most tasks to save operator time. As with the sensor and communications systems, the Ducis is broken down into tiers based on size and complexity.

* Tier I is employed in single and multi-crew strikecraft and is the most automated of the various tiers. Calculation and signal response time has been prioritized above almost all other functions to maximize time on target. This level also integrates with the flight suit HUD interface and voice control systems.

* Tier II is the first level for Navalis warships and is capable of handling up to a dozen independent weapon emplacements with minimal user input. This is the first level with dedicated optimization for monitoring smaller subsystems, which is typically the traverse and rotation controllers in weapons turrets. The Ducis Tier II is also the first to see independent feedback and firing authorization, which is linked to available point defence systems. This level of automation enables weapons officers more flexibility during combat operations but are directly tied into ship-wide alert status to prevent collateral damage.

* Tier III acts as a controller for a number of Tier II controllers on larger warships. This enables fire control teams the ability to direct and control the entire weapons compliment, as well as splitting batteries and weapon types between a variety of targets. The increase in dedicated computational power is required for the larger weapons compliments, as well as the macro-scale or unique esoteric weapons employed by the larger warships and flagships of the Navalis.

* Tier IV is limited to strike group or fleet command ships. This level focuses on sending and receiving fire control and sensor data from an entire battlegroup and combining that with operational battle plans to determine optimal fleet level movements and targeting. Tier IV Ducis systems employ a dedicated VI to dramatically increase computational and response time.

### VAX-I03 [I-III] Parler Mk IV Communications System

Communications transmission and reception systems completes the typical electronic system package for Navalis vessels. The Parler, as with many other electronic systems, is broken up into a series of tiers, which increase in complexity and power. Regardless of the tier, all Aquilan communications systems can identify and integrate with each other, allowing coordination between Legions regardless of theatre specialization. All of these communications platforms utilize Frequency-Hopping Spread Spectrum protocols and a number of encryption and packaging protocols to ensure secure and accurate data exchange in even the most severe combat environments.

* Tier I is designed for use in voidcraft, and has the lowest operational range. This level also contains a high energy laser based connection system that can be used in emergencies. This system requires the target to be within direct line of sight but can prevent detection by electronic warfare systems.

* Tier II is the first level of capital class communications and contains the necessary systems to facilitate information exchange between Navalis warships at short to medium engagement ranges.

* Tier III systems provide the longest coverage and transmission ranges. Additional hardware is typically included to facilitate relaying communications from various points, acting as coordination points in a fleet or battlegroup.

The Mk VI was released shortly after the conclusion of the Conflict of 3200, and focused on the security of the various Transmission Security Keys used in the frequency modulation and spreading systems as well as the encryption and decryption protocols and programs.

### WAX-F01 Ombi Stealth Fields

Qualified for field service in 3055, the Ombi system is based on technology developed during the Second Imperial Civil War. A combination of hull coatings, internal shielding layers, and external projectors the Ombi minimizes, nullifies, and masks virtually all emissions signals and radiation from a Navalis warship making it virtually invisible in the void. The system requires a significant amount of dedicated space in and out of the warship, and typically replaces weapons systems, tiers of Stratum armour, and other subsystems. Early phases of development attempted to scale the technology to the largest warships, however these tests proved ineffective as the higher magnitude emissions and larger surface area proved too draining. Attempts at replicating more advanced and esoteric technologies at production scales have thus far been unsuccessful.

Thus far the Ombi system has proven itself again and again, from intelligence gathering, to ambush tactics, to covert insertion and Umbra operations support the Ombi has given the Navalis a unique vector in void warfare.

### WAX-I02 Pertur Mk X ECM/ECCM Package

Similar to fire control systems, electronic countermeasure (ECM) systems synchronize with active point defence batteries by detecting and disrupting incoming guided weapons. Both IR and RF noise and disruptions form the bulk of the active ECM package. Passive functions include gravity waves, electromagnetic waves, and high frequency radio projectors that can drown out all but the most advanced sensor, guidance, or communications systems. These projectors are typically mounted on a directional emitter, which allows Navalis electronic warfare vessels to conduct operations with minimal collateral damage.
The Pertur system also includes an electronic counter-countermeasure (ECCM) package that runs in parallel. This system actively monitors for opposing electronic warfare systems then selects the optimal counter-disruption technique. Pulse Compression, Multi-Frequency Modulation and Agility, Polarization, Radiation Homing, and Omni-directional Sidelobe Blanking are all tools within the Pertur’s disposal. Because of the space and power requirements for the controls, detection, and transmission systems, a Pertur package is limited to dedicated electronic warfare vessels or the largest warships within the Navalis.

### WAX-N01 Buscar Mk V Navigation System

While non-standard in many commercial vessels, navigation computation systems not only assist with the calculations necessary for entering and exiting meta-dimensional space but also act as a database for spike drive charts and navigational data. The Buscar is therefore the primary control system over a Navalis vessel's spike drive, and the primary tool of the on-board navigators. The Mk V was released in 3201 and is capable of integrating with the House Pyxis' PLANES system. The Convocation hopes this early adoption can delay or at least diminish the steadily growing impact of the destruction of House Vela.

### WAX-F02 [I,M,G] Nuage Mk VII Shields

Coating the outermost surface of a warship in a layer of ionized and magnetically charged particles has been a proven method of deflecting and diverting the energy impacts, but under protracted loads and strain, these systems can be overloaded and lose potency. This is mitigated on larger warships due to the far higher energy production and capacity. Gravity shields project low intensity gravity waves in an envelope just outside the vessel. This barrier acts as a dampening field for projectile based weapons platforms, decreasing impact velocity and reducing the total energy on impact. Though effective, gravity based shielding systems are more complex, requiring dedicated projectors to be arrayed around the vessel. Few smaller grade warships have the necessary space to accommodate such requirements. All three types of external shielding fall under the ‘Nuage’ classification, and are delineated by an extra alpha character in the identification code. The Mk VII was released in 3121 in order to integrate more completely with the latest Stratum armour system.

### WAX-P01 Stratum Mk XXI Armour Plates

The Stratum armour system was developed to maximize voidcraft survivability while streamlining the maintenance and repair requirements. The system is composed of successive layers known as ‘Tiers’ which are layered on top of the warship's superstructure and bulkheads. Navalis armour ratings are typically denoted by the number of such Tiers mounted on the vessel. Each of these tiers is comprised of a number of sub-layers of interwoven metallic alloy plates and ablative poly-ceramic ‘scales’. Each of these sub-layers are given coatings that allow for greater heat dissipation within and between the armour tiers. Heat and energy dissipation is further improved by the arrangements of each sub-layer.
Tiers are approximately 10cm thick, and on larger warships successive Stratum tiers are separated by a ferrofluid membrane that assists in impact dampening and energy absorption between layers. The modularity of the individual Stratum tiers has been improved in the Mk XXI, which earned field certification in 3087. This has resulted in a significant decrease in repair and maintenance time for warships which would prove invaluable during the War Against the Artificials.

### WAX-D02 Repou Mk IX Automated Boarding Defences

While Navalis warship carries a compliment of marines for security and boarding actions, larger or more specialized vessels are also issued automated systems to assist in counter-boarding actions and secure the warship during combat operations. Typically these systems employ automated or semi-automated gun emplacements that sync with IFF transponders embedded into Navalis vacuum suits. Hastati grade weapons systems, primarily anti-personnel styles, are deployed at key choke-points, critical system areas, and main corridors through the vessel. A number of Navalis legions have been known to utilize higher grade weaponry and self propelled drones in order to combat suit-grade lorica insertions.

### CAX-D01 Nubis Mk V Chaff Launchers

Utilizing the same electromagnetic “chaff” and jamming materials used in the larger Athis missiles, the Nubis system allows a voidcraft to disrupt incoming guided projectiles by deflecting and overloading the EM tracking and targeting systems. The launchers are self-contained and carry roughly two-dozen charges. For space combat, the individual charges contain propellant and explosive devices that spread the material in a wide area to improve the chances for success.

### CAX-S01 Stein Mk X Armour

Taking the material composition from the larger and more complex Stratum system, the Stein provides protection from shrapnel and incoming fire by disrupting the impact energy across layers of ablative plate. Unlike the Stratum, Stein has only one tier available which, at 4cm thick, is much thinner than the capital class system. The Mk X saw the inclusion of the ferrofluid membrane, which was installed between the orthogonal layers of poly-ceramic scales.

### CAX-F01 Espectro Mk II Stealth System

While not as advanced as the Ombi Stealth Field, the Espectro minimizes the electromagnetic signature of a voidcraft and rendering it invisible to all but the most advanced sensor systems. The Mk II was released in 3198 at special request by the Quaestionarius and has been gaining attention amongst many within the Convocation.

### CAX-I01 Faisca Mk I ECM/ECCM System

Strikecraft squadrons have typically relied on directed and active defence systems, however the lack of adequate coverage and projection in the field of electronic warfare was a key vulnerability highlighted during the Conflict of 3200. The Faisca, released alongside many of the other Navalis projects and classes as part of the Great Consolidation, seeks to alleviate this and give strikecraft squadrons and Navalis strike fleets vector to engage in and protect from electronic disruption wherever needed. Due to the power restrictions on strikecraft, the Faisca system has far less power and range compared to its capital class counterpart, however the maneuverability and agility provided by the carrier frame more than compensates for this.

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