List of Alliance naval artillery

The following is a list of naval artillery types used in the Terran Alliance and the Terran Alliance Navy. This includes Terran-designed weapons, weapons built in the Alliance under license and foreign-designed and/or -built weapons currently operated by the Alliance; it also includes the artillery of the Veydreth Auxiliary Forces, the Veydreth naval component of the Alliance fleet.

## Directed Energy Weapons

Generally, the majority of Terran-designed artillery types for shipboard use are directed energy weapons: photon/laser cannons. Nomenclature for these weapons is generally prefixed by a "PC-" designation, for "**p**hoton **c**annon." *Generally*, capital ship-level weapons are numbered according to breech model: medium anti-ship weapons are numbered by their energy output measured in tons of TNT. All ratings (such as the 457-megaton PC-6400) were specifically for the destructive power of the weapon over the course of exactly *one second*.

### Photonic Artillery

#### Superlasers

**Superlasers**, **boring lasers** or **burnthrough lasers** are the colloquial catch-all term for the spinal-mounted laser cannons associated with modern Alliance capital ships.

##### **PC-9000**

The most powerful boring lasers the Alliance can construct. Equipped to the *Titan*-, *Atlas*-, and *Jupiter*-class dreadnoughts, alongside the *Star of Terra*, the 650-gigaton PC-9000 laser cannon could easily overwhelm most shields and armour within a single second of firing.

##### **PC-8800**

The most common form of superlaser in the Alliance, a variable-output (380 gigatons in the *Luna*s to 431 gigatons in the *Iapetus*) artillery piece with exceptional effective range and damage properties.

##### **PC-8500**

The **PC-8500** was a 350-gigaton superlaser first mounted to the modified *Terra*-class Star Dreadnought *Inextinguishable*. Though only mounted on refitted warships, it was sufficiently powerful as a stopgap measure until the PC-8800 came into service aboard the *Luna*-class battlecruisers.

##### **PC-8100**

A 310-megaton spinal laser cannon, used aboard the *Phobos*-class heavy cruisers and preceding generation of *Mars*-class battleships.

##### **PC-7000**

A 250-megaton spinal laser cannon, mounted in pairs aboard the *Hesperia*-class Heavy Star Battlecruisers. The Alliance's first dedicated fixed-mount laser battery, it saw sufficient enough service and reviews for future consideration, paving the way for the eventual *Luna*-class battlecruisers.

#### Capital Ship Batteries

##### **PC-6400**

The **PC-6400 laser cannon** was the Alliance's heaviest dedicated turret-mounted photon artillery unit. Arming the *Star of Terra* as well as all of the Alliance's Star Dreadnoughts (*Terra*, *Atlas*, *Saturn* & *Jupiter*), this 457-megaton gun used more than 1.912e+6 terajoules of power *every second* to cause damage. By comparison, the nuclear ordnance of pre-interstellar Earth rarely exceeded just 56 megatons.

##### **PC-5800**

The **PC-5800 laser cannon** was a specialized high-powered 431-megaton artillery piece that equipped the *Singularity* before modifications and the *Sagittarius*-class battleships.

##### **PC-5500**

The **PC-5500 laser cannon** is a 400-megaton artillery piece that only armed the *Minerva*-class command ships, *Minerva* and *Euryale*.

##### **PC-5200**

The **PC-5200 laser cannon** is a variable-output (from 381 megatons in the *Iapetus* to 174 megatons in *Luna*) high-intensity laser cannon that currently serves as the main heavy anti-ship cannon of the Alliance battle fleet. Installed on the newest warships, it is a highly potent weapon with only middling damage properties compared to neutron beams, but unparalleled accuracy and precision.

##### **PC-5000**

An experimental "high-output" 150-megaton laser cannon type, the **PC-5000** was only used on the Alliance battlecruiser and fleet flagship *Furious*.

##### **PC-4600**

The **PC-4600 laser cannon** is a 46-megaton weapon that armed the preceding generation of Alliance battleships. Used primarily by the *Mars*- and *Europa*-class battleships, it was a powerful and rapid-firing weapon for its day, though overmatched by most in damage output.

##### **PC-4000**

A 40-megaton laser cannon used primarily on the *Mercury*- and *Castalia*-class battlecruisers as their main armament.

#### Medium Laser Cannons

##### **PC-2740**

A specialized 27.4-megaton laser cannon used aboard the *Tethys*-class command cruisers.

##### **PC-2030B**

The **PC-2030B laser cannon** is the Alliance's newest 20.3-megaton laser cannon. Mounted aboard the *Deimos* and *Phobos*-class heavy cruisers, it—like all Alliance starship batteries—was characterized by its overall middling output and effective range, but good accuracy and fire rate.

##### **PC-1500**

The **PC-1500** laser cannon, otherwise known as the **PC-150** or affectionately as the **One Fifty**, was the standard medium-calibre anti-ship armament of Alliance battleships and light cruisers. A 15.0-megaton laser cannon with a good firing cycle and acceptable damage output, it was a 'handy' gun in its designed role of stopping light warships in their tracks before they could close to short range and unleash torpedoes.

##### **PC-1450**

The **PC-1450** laser cannon was the newest anti-ship dual-purpose artillery system in use with the Alliance. While only deployed in its intended 'secondary battery' role on the *Regent*, it also saw use as a destroyer flotilla leader's gun: its 14.5-megaton output was considered the minimum necessary to engage proper starships, while still remaining light enough for the anti-fighter role.

##### **PC-1280**

The **PC-1280** was the standard Alliance destroyer gun. A 12.8-kiloton laser cannon with middling range and damage properties but high accuracy and fire rate.

##### **PC-1050**

The **PC-1050**, also known as the **PC-105**, **Directed Energy Weapon, Model 105** or by its crews as either the **One-oh-Five** or as the **Ten-point-Five**, was the Alliance's standardized medium/light dual-purpose gun. Mounted on practically every capital ship and upgraded over time, this 10.5-kiloton laser cannon saw service from the Ravasect Wars onward as the Alliance's most dependable starship gun.