Timeline of the Interplanetary Conflict

This is a timeline of the Interplanetary Conflict. 
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2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170
==Background==
===2060—2100===
Sol system: At the direction of the Unified Earth Government (UEG), the United Nations Office for Outer Space Affairs (UNOOSA) oversees a massive interplanetary colonization effort throughout the system: colonies are established on Luna, Mars, the Martian moons of Deimos and Phobos, on many asteroids of the belt, the Jovian moons of Callisto, Europa, Ganymede, and Io, the asteroids of the Jovian Trojans, and the Saturnian moons of Rhea and Titan. The UNOOSA builds a small fleet of patrol and security ships and deploys them across the system, though they remain thinly spread. In 2080, the UNOOSA is replaced by the United Nations Space Authority (UNSA), which expands fleet assets and establishes permanent formations responsible for regional security in Terran, Lunar, Martian, Belt, and Jovian Space. 
===2100—2130===
Sol system: Earth-based and colonial corporations experience massive growth as the colonies prove to be immensely profitable. New shipyards are established in the orbits of Earth, Luna, Mars, Ceres, Vesta, Europa, and Ganymede as factories, mines, and farms are developed in every colony; colonization efforts continue to settle asteroids in the belt and in the Jovian Trojans. The UNSA continues to expand its forces as new classifications of warships are officially created, filling out the fleet with cruisers, destroyers, and frigates. The UN Department of Peace begins conducting peacekeeping operations in some colonies due to tensions in 2128. 
===2138===
Sol system: Vladimir Koslov is recognized as the de facto leader of the newly emerging Koslovic movement. 
===2151===
Jovian space — Europa: Nadja Mielke inaugurates the Frieden movement in the city of Katreus. 
==2160==
2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170January • February • March • April • May • June • JulyAugust • September • October • November • December
===March 2160===
March 2
Jovian space: The Jovian Crisis of 2160 begins with Frieden movement militias launching attacks on pro-Koslovic communities and UN peacekeeping forces on the Jovian moons of Callisto, Europa, Ganymede, and Io.
—Europa perimeter: The defense ship UNSA Watchman fires its main batteries and launches eight anti-ship missiles at unidentified ships already in the act of attacking several commercial spacecraft. The Watchman successfully drives the attackers away in the first instance of a UNSA spacecraft firing its weapons in anger.
—Io: Blizzard Force, the largest Frieden militia on Io, assaults Camp Wolfe, beginning a 55-day siege of the UN complex. Colonial advisors are specifically targeted by Blizzard Force.
March 3
Jovian space: The United Nations Space Authority implements a region-wide restriction on commercial shipping, mandating the use of convoys for all civilian freighters and passenger ships. Commercial ships do not adhere to this restriction until March 11. 
March 5
Earth, United Nations Complex: The Department of Peace Operations informs the United Nations General Assembly and Security Council that all peacekeeping forces present in Jovian Space are effectively under siege or out of action, and are unable to intervene in ongoing fighting. The Security Council formally requests that the Department of Peace Operations reinforce the Jovian Moons with all possible haste.
March 6
Jovian space — Ganymede: Koslovic militias mount their first major counteroffensive against Frieden forces on Ganymede. 
March 7
Jovian space — Callisto: Koslovic militias launch attacks against Frieden strongpoints. 
March 10
Jovian space — Io: Koslovic militias attack Freiden forces on multiple fronts. In a strange twist, a Koslovic force attacks Camp Wolfe, resulting in a seven-hour firefight. 
March 11
Jovian space — Europa: Koslovic militias attack Frieden positions. 
March 12
Jovian space: Following full implementation of the UNSA convoy system, Frieden attacks on commercial freighters diminishes significantly. 
March 17
Jovian space: Peacekeeping reinforcements arrive and make landfall, but are inadequate to restore order or even deter the ongoing fighting. 
March 29
Earth, United Nations Complex: The Department of Peace Operations admits defeat in Jovian Space and appeals to the UEG and UN for assistance and reinforcements. The UN Security Council authorizes the deployment of another 40,000 peacekeepers to Jovian space, but Department of Peace Operations admits insufficient forces available to the task. The Security Council begins a series of discussions and requests the presence of the President of the UEG and the leadership of the UNSA. 
March 30
Earth, United Nations Complex: The Security Council passes Resolution 9065, authorizing member states of the United Nations to immediately deploy military assets to the Jovian colonies. The UEG orders the UNSA to assemble a fleet of transport ships suitable to convey military reinforcements to the Jovian Moons.
March 31
Sol system: Some 173 UN member states begin mobilizing their militaries for off-world deployment. The UNSA contracts 177 passenger ships and 438 cargo ships for immediate use. The Authority also secures several passenger liners for conversion into carriers and military transports. Conversion work begins immediately in shipyards above Earth, Luna, and Mars. 
===April 2160===
April 25
Jovian space — Io: UEG forces begin to deploy on Io, following a series of intense airstrikes against known and suspected Frieden air defense units. 
April 28
Jovian space — Ganymede: UEG forces begin deploying on Ganymede. 
===May 2160===
May 1
Jovian space — Callisto: The UEG begins an air assault against Frieden air defenses on Callisto. 
May 2
Jovian space — Io: UEG forces effectively destroy Blizzard Force and declare Io pacified. There are approximately 250,000 UEG soldiers on Io at the conclusion of operations.
—Europa: Nadja Mielke orders all Frieden forces active in Jovian space to stand down and disengage. 
May 5
Jovian space — Europa: UEG forces make landfall on Europa. 
May 24
Jovian space: A Frieden raid group attack an UNSA convoy, but is beaten back with heavy losses to the Friedens. No further attacks on commercial shipping occur during the campaign. 
===June 2160===
June 6
Jovian space: Frieden attacks on Koslovics cease; what Frieden militias remain active focus entirely on UEG forces on Callisto, Europa, and Ganymede. 
June 6
Jovian space: The UNSA suspends restrictions on commercial shipping in Jovian space. Convoys will continue in diminishing numbers and will be phased out entirely by August. 
June 11
Jovian space — Ganymede: The UEG declares victory on Ganymede. 
June 19
Jovian space — Europa: The UEG declares victory on Europa. 
June 30
Jovian space: The UEG declares victory in Jovian space, and the Jovian Moons Campaign officially concludes. 
==2161==
2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170January • February • March • April • May • June • JulyAugust • September • October • November • December
===August 2161===
August 8
The Belt — 4 Vesta: The Frieden paramilitary organization known as the White Wolves of Ceres attack and occupy the 4 Vesta colony with the assistance of other militias, specifically the ships of Dark Star Command (DSC) and troops of the Celestial Legionaries. The Frieden occupation begins arresting known or suspected Koslovic sympathizers and fortifying the colony. DSC gunboats take up positions in the vicinity of the colony. The occupiers announce an independence referendum to be held on August 10. 
August 11
4 Vesta: The White Wolves of Ceres announce the results of the August 10 referendum and declare 4 Vesta a sovereign state; they transmit a demand that the "Frieden Republic of Vesta" be formally recognized by the UN. 
August 16
4 Vesta perimeter: Action of 16 August 2161: UNSA cruisers, destroyers, and frigates destroy the DSC patrol squadron in a three minute missile barrage without loss to themselves. The UNSA initiates a blockade of the Vesta colony and transmit a rejection of the colony's claimed sovereignty. 
August 19
Jovian space: Nadja Mielke publically denounces the illegal occupation of 4 Vesta and calls for the occupiers to peacefully surrender to UN forces. Within the Frieden movement, Mielke declares the White Wolves of Ceres to be traitors and that any individual or organization that continues to support them will be immediately ejected from the movement and marked for death.
4 Vesta perimeter: Five DSC ships depart the colony and surrender to the UNSA blockade after Mielke's declaration; DSC units elsewhere in the belt cease operations aimed at relieving the besieged colony or breaking the blockade. 
August 21
4 Vesta: The UN assault arrives near the colony as the blockading ships move against the remaining occupation ships.
Action of 21 August 2161: Seven Frieden gunboats and two dozen missile and gun batteries on the colony's surface are destroyed in a UNSA missile barrage.
UN troops begin their assault following the destruction of Frieden defenses. 
August 28
4 Vesta: Rheasilvia City is declared liberated as the last of the Frieden occupation retreats to Waystation 4 and an unnamed utility outpost. UN troops pursue and engage them in a final action. 
August 29
4 Vesta: The UN declares victory on 4 Vesta. 
==2162==
2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170January • February • March • April • May • June • JulyAugust • September • October • November • December
*Inner System Crisis
===March 2162===
Luna: The Lunar Uprisings begin. Attempts to create pro-Frieden or pro-Koslovic nations on the Moon occur regularly, usually based on available paramilitary forces; attacks on government facilities, shipyards, and existing settlements become commonplace. The uprisings will continue from March 2162 to December 2163, after which the UNSC will deploy massive forces and bring an end to resistance during the Luna Campaign. 
===May 2162===
#[Belt] (May 7—15, 2162) 114 Kassandra incident
===July 2162===
#[Belt] (July 3 — August 11, 2162) 165 Loreley incident
===August 2162===
#[Belt] (August 5, 2162) First 77 Frigga incident
#[Belt] (August 21—24, 2162) Second 77 Frigga incident / August 2162 Frigga bombings
===September 2162===
#[Belt] (September 1 — November 10, 2162) 41 Daphne incident
===October 2162===
#[Belt] (October 11, 2162) Third 77 Frigga incident / October 2162 Frigga bombing
===November 2162===
===December 2162===
#[Belt] (December 31, 2162) Fourth 77 Frigga incident / 77 Frigga New Year's Eve Massacre
==2163==
2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170January • February • March • April • May • June • JulyAugust • September • October • November • December
===January 2163===
January 1
77 Frigga: Following the New Year's Eve Massacre, Koslovic and Frieden supporters violently clash throughout the colony; 107 residents are killed, 149 are hospitalized, and another 236 are injured. The UEG declares martial law on 77 Frigga and reinforces the garrison several times in early 2163. The colony remains under military control until 2172. 
===July 2163===
July 9
48 Doris: Bombing of the Dependable: The replenishment ship UNSA Dependable is seriously damaged in a bomb attack that kills 57 dock workers and 15 Dependable crew members. The Dependable is repaired and returned to service in late 2164. 
===December 2163===
December 7
Martian space: Frieden space forces arrive at the Martian moons of Deimos and Phobos and occupy both colonies. Local UNSC forces do not oppose the occupation but take steps to avoid capture. A Frieden fleet of some fifty spaceships each takes up position in the vicinity of each colony.
— Deimos: At the behest of colonial administrators, the small UNSA naval detachment evacuates the colony with some 137 colony residents and officials judged to be "at risk" from a Frieden occupation. The evacuees flee the colony to the relative safety of the small battleship Drake of Deimos; the defense ship is unwilling to leave the colony entirely and remains on the periphery of the Deimos perimeter.
— Phobos: Colonial security personnel, UNSA marines, and UEG garrison troops follow established contigency plans and abandon much of the colony, fortifying the settlement of Skyresh and Forts Roche and Wendell. The powerful Sentinel of Phobos takes up position in close orbit near Skyresh. Frieden forces occupy much of the abandoned colony but take no action against colony's defenders. 
December 8
Martian space: The UNSA Expeditionary Fleet crosses the Martian perimeter and proceeds to Mars orbit; the fleet is joined by the battleships Aries and Olympus and the ships of UNSA Mars Force. The reinforced Expeditionary Fleet makes radio contact with UEG troops on the surface of Mars. 
December 9
Martian space — Mars orbit: At approximately 3:00 AM local time, the UNSA Expeditionary Fleet initiates Operation: LEVIATHAN and launches 7,000 Orbital Insertion Pods over the Argyre Quadrangle.
— Mars, Argyre Quadrangle: In the first assault of its kind, 7,000 Orbital Drop Shock Troopers deploy across the Argyre Planitia and begin engaging local Koslovic forces by 3:26 AM. The ODST assault is followed a traditional dropship assault at 3:45 AM from the Expeditionary Fleet as approximately 50,000 UNSA Marines are deployed against against Koslovic positions. The UNSA assault on the Planitia is joined by UEG army and air force units at 4:30 AM as the UEG launches massive armored penetrations of the Quadrangle with a force of some 5 million soldiers.
— Argyre Planitia: ODSTs assail Koslovic positions within the Planitia from 3:26 AM until 7:01 AM, with General Nolan Nyhammer's 2nd and 5th Shock Troops Battalions - some 2,000 ODSTs - accepting the unconditional surrender of the Koslovic Banner Army of I.A. Anderson and its estimated 30,000 members. General Nyhammer subsequently redeploys the 2nd Battalion against the Koslovic Banner Army of R.J.B. Sykes and attacks the Koslovics with enough ferocity to prevent the Banner Army from taking advantage of its numerical superiority. Nyhammer, who will go down in history as the founding father of the Shock Troops, successfully pins an army of around 45,000 Koslovics in place with just 852 ODSTs before regrouping with marine reinforcements after nightfall.
December 25
Mars, Argyre Quadrangle: UNSA ODST General Nolan Nyhammer and UEG General Emil Nowak-Anders accept the unconditional surrender of all remaining Koslovic forces within the Argyre Quadrangle at 11:15 AM. 
Mars orbit: Confirmation of the surrender is transmitted to the UNSA Expeditionary Fleet via a live feed; the communications relay ship UNSA Transcontinental transmits news of the victory at Mars to the UNSA Crossroads near Earth and the UNSA Reliance in the belt.
Terran space: The communications relay ship UNSA Crossroads transmits news of the victory in the open to Luna and Earth proper seven minutes after the surrender, as per the instructions of the UEG. 
Earth, United Nations Complex: Following a meeting with the UN Secretary-General, the UEG formally draws up a declaration of hostilities, to be published on January 1, 2164, conditional upon approval by the General Assembly.
December 26
Sol system: The United Nations Space Command (UNSC) is formally established; the UN Space Authority and all its assets transfer into the new UNSC. Ground and air forces under the command of the United Nations and UEG are placed under the banner of the UNSC.
Earth: Officials and agents of the UEG begin a political drive to convince world leaders to support a declaration of war against the Frieden and Koslovic movements ahead of an extraordinary special session of the UN General Assembly scheduled for the December 30. Over the next four days, UEG operatives, business leaders, and UNSC sponsors conduct a massive campaign across the system.
December 30
Earth, United Nations Complex: The President of the Unified Earth Government makes a brief presentation to the UN General Assembly during its extraordinary special session and argues for a formal declaration of war against the Frieden and Koslovic movements. Voting begins at 2:15 PM EST. While normally a simple majority vote is sufficient, both the Secretary-General and the President of the UEG have privately concluded that anything short of unanimous or near-unanimous vote by the General Assembly will lead to disaster.
At 3:57 PM EST, the UN General Assembly concludes its vote on the UEG's proposed declaration of war, following the confirmation of votes by members states in the Jovian Moons. The proposal is approved by unanimous support of the member states of the General Assembly.
December 31
Earth, United Nations Complex: The Secretary-General of the United Nations and the President of the Unified Earth Government sign the Declaration of Hostilities and order the contents of the document transmitted to representatives of both movements. They then make a call to the newly formed UNSC High Command and inform UNSC military leadership that they are formally tasked to restore peace to the Sol system and to utterly defeat the Frieden and Koslovic movements. The Interplanetary War officially begins. 
==2164==
2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170January • February • March • April • May • June • JulyAugust • September • October • November • December
===January 2164===
===March 2164===
March 18
Martian space: The UNSC Mars Expeditionary Fleet moves against Frieden forces in the vicinity of the Martian moons of Deimos and Phobos, initiating the Battle of the Martian Moons. Both sides suffer heavy casualties with more than a dozen ships destroyed outright; Frieden fleet elements at Deimos and Phobos disengage after three and five hours of combat respectively, and the UNSC launches assault operations against the occupied colonies.
—Deimos orbit: The UNSC transfers the 137 refugees crammed aboard the defense ship Drake of Deimos to the heavy carrier Prince of the Solar Seas, following the departure of Frieden space forces. 
March 19
Martian space: UNSC space forces confirm the withdrawal of known Frieden space forces as the UNSC assaults on Deimos and Phobos enter their second day. Remaining Frieden forces on the moons are ultimately overwhelmed and surrender in the evening.
—Deimos: Approximately 6,000 UNSC Marines storm Port Swift as Fort Voltaire is threatened with orbital bombardment; Wakefield City is seized in a shock assault by some 700 ODSTs. UNSC forces receive the unconditional surrender of Frieden forces on Deimos by 5:00 PM local time and begin providing humanitarian care to their prisoners and the liberated population of the colony; the refugees from the Drake of Deimos return to the colony for the first time since December 7. 
===September 2164===
September 24
1 Ceres: Koslovic forces stage an uprising in the Ceres colony, beginning the Battle of Ceres. The major settlements are mostly overrun, but Koslovic forces are unable to overcome the defenders of the colony's shipyards and docks. Koslovic space forces deploy in the vicinity of the colony.
September 27
1 Ceres perimeter: UNSC reaction forces, including two defense ships, arrive and engage the Koslovic flotilla near Ceres. Koslovic space forces are overwhelmed, scattered, and suffer heavy losses. UNSC forces proceed to the colony unopposed. 
September 28
1 Ceres: The UNSC reinforces the beleaguered docks and yards and launches a shock assault against the colony proper. 
===October 2164===
October 9
Jovian Trojans — 11509 Thersilochos: UNSC Battle Group Sierra moves against the Frieden-occupied colony with 18 ships. The battle group bombards enemy positions with long-range missiles. Frieden defense batteries make limited counter fire and request reinforcements. 
October 13
Jovian Trojans — 11509 Thersilochos perimeter: Frieden reinforcements arrive with 59 ships and immediately attack Battle Group Sierra with wild abandon. Both forces suffer heavy casualties. Battle Group Sierra breaks off the attack and withdraws under fire. 
October 17
1 Ceres: UNSC forces on Ceres declare victory. 
===December 2164===
December 21
Lunar orbit: The UNSC commissions its first heavy battleship, the Deep Tranquility. 
==2165==
2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170January • February • March • April • May • June • JulyAugust • September • October • November • December
===January 2165===
January 8
Lunar orbit: The UNSC commissions its first light battleship, the Armstrong. 
===August 2165===
August 1
Jovian space — perimeter: Fleet action of 2165: The UNSC Expeditionary Fleet approaches the perimeter of Jovian space and is engaged by multiple flotillas Frieden warships. The fighting continues without noticeable pause until August 28.
August 28
Jovian space — perimeter: Frieden attacks on the UNSC Expeditionary Fleet cease after both sides sustain heavy losses, but UNSC forces proceed undeterred towards the moons of Jupiter.
===September 2165===
September 5
Jovian space: The UNSC Expeditionary Fleet arrives in the vicinity of the Galilean moons. UNSC forces reinforce existing garrisons on Callisto, Europa, and Ganymede, and initiate a colossal assault on Frieden and Koslovic forces on Io. 
September 7
Belt: Frieden raiders successfully ambush a UNSC convoy of 7 escorts and 14 cargo ships. In the ensuing action, the destroyer UNSC Pathfinder and six Damascus heavy frigates are lost to enemy action. Only the timely arrival of the light cruiser UNSC Hyperion prevents the total destruction of the convoy. 
September 9
Belt: The heavy frigate UNSC Szczecin encounters two Frieden cruisers and attacks without hesitation. The heavy frigate is lost with all hands in the action, but both cruisers suffer injury and one is disabled; the disabled cruiser surrenders to arriving UNSC forces an hour later. 
==2166==
2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170January • February • March • April • May • June • JulyAugust • September • October • November • December
==2167==
2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170January • February • March • April • May • June • JulyAugust • September • October • November • December
===July 2167===
July 7
UEG Space — Belt perimeter: Frieden forces successfully ambush the Joyeuse convoy, engaging in a 120-minute engagement that sees seven UNSC escorts and a dozen civilian ships destroyed. Frieden losses are a cruiser and fifteen raiders; only the timely arrival of UNSC Hyperion ensures the safety of two civilian ships and surviving crews that abandoned ships. 
==2168==
2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170January • February • March • April • May • June • JulyAugust • September • October • November • December
==2169==
2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170January • February • March • April • May • June • JulyAugust • September • October • November • December
==2170==
2160 • 2161 • 2162 • 2163 • 2164 • 2165 • 2166 • 2167 • 2168 • 2169 • 2170January • February • March • April • May • June • JulyAugust • September • October • November • December
===January 2170===
January 3
Trojan space: UNSC battle groups enter both Greek and Trojan camps of Trojan space, initiating the Trojan Offensive.
— 588 Achilles: UNSC Battle Group Charlie moves against the Achilles fleet. UNSC and Frieden space forces clash for forty-five minutes before UNSC commanders disengage and withdraw. UNSC losses appear initially higher and the Frieden Marine declares the battle a victory.
— 1143 Odysseus: UNSC Battle Group Delta moves against the Odysseus fleet. UNSC forces attack the Frieden fleet but are compelled to withdrawn after thirty-three minutes, losing numerous ships and suffering hundreds of casualties.
— 2146 Stentor: The ships of UNSC Battle Group Bravo move against the Frieden garrison and its defense fleet. UNSC forces overwhelm Frieden defenders in a lightning-fast attack, forcing all present forces to capitulate after only twenty-one minutes of combat.
— 2207 Antenor: UNSC Battle Group Alpha captures Antenor after destroying its fleet and other defenses in a five hour slugfest. UNSC Marines accept the surrender of the colony.
— 3451 Mentor: UNSC Battle Group Echo conducts a long-range bombardment of the colony and its defenses for thirty minutes. With no sign of an imminent Frieden sortie, the battle group breaks off the attack and departs. 
January 4
Trojan space — 659 Nestor: UNSC Battle Group Hotel moves against the colony but finds itself outmatched by colonial defensive weapons and the timely arrival of Frieden reinforcements. After costly losses, the UNSC withdraws under withering fire. 
— 1208 Troilus: UNSC Battle Group Foxtrot attacks the Troilus colony and successfully cripples a major Frieden support fleet before withdrawing. 
— 1437 Diomedes: UNSC Battle Group Juliet moves against Frieden forces in the vicinity of the Diomedes colony. Despite considerable damage done to both fleets, loss of life is relatively low. Battle Group Juliet disengages after forty-five minutes and withdraws unmolested by Frieden defenders. 
January 5
Trojan space — 1143 Odysseus: UNSC Battle Groups Delta and Mike return to Odysseus with the objective of neutralizing it, engaging Frieden forces for over two hours before withdrawing. The UNSC objective is met as the Frieden fleet is effectively crippled and out of action for the rest of the campaign.
— 3451 Mentor: UNSC Battle Group Echo returns to the vicinity of 3451 Mentor, this time accompanied by the battleships of Battle Group India, and bombards Frieden installations a second time, inflicting catastrophic damage to defenses, yards, and other stations. Despite the severity of the bombardment, Frieden forces refuse to engage the UNSC battle groups beyond the range of colony defense systems. UNSC forces cease the attack after two hours and again withdraw.
— 11509 Thersilochos: UNSC Battle Group Golf scatters the fleet at Thersilochos and storms the colony, capturing it in under ten hours. Surviving Frieden ships withdraw and seek refuge elsewhere. 
January 6
Trojan space — 1208 Troilus: UNSC Battle Groups Foxtrot and Lima return and attack Frieden forces at Troilus, conducting an enormous assault on the crippled fleet and colony. In the largest boarding action of the war, UNSC marines storm over a hundred damaged Frieden ships and seize them. As marines launch their assault on the colony proper, local Frieden leadership broadcast their surrender. UNSC forces take possession of the colony and the remainder of the fleet. 
 — 1437 Diomedes: Frieden leadership complete a review of the defenses of the colony and consider it unlikely to withstand a second assault, and begin to evacuate the colony, prioritizing its missile arsenal and naval artillery. Considerable equipment and personnel are successfully withdrawn from the colony over the next two days.
— 1870 Glaukos: UNSC Battle Group Kilo attacks and annihilates the Frieden Glaukos defense fleet and accepts the unconditional surrender of the colony. 
January 7 — 15
Trojan space — 3451 Mentor: The UNSC brings immense power against this "Gibraltar of the Trojans" and shatters its remaining defenses over nine days. UNSC Battle Groups Echo and India blast the defenders into ruin before the invasion force of Battle Group Papa arrives and overwhelms the colony. The bulk of the garrison and its fleet are either destroyed or surrendered. 
January 7
Trojan space — 884 Priamus: Frieden forces begin assembling a relief force at Priamus with the intention of disrupting the ongoing Siege of 3451 Mentor, or at least resupplying the besieged garrison. While the majority of the ships that arrive are raiders, lightweight missile ships, and support ships, a number of cruisers and heavier ships are also present. 
January 8
Trojan space — 1437 Diomedes: UNSC Battle Group Juliet returns to the colony, interrupting the Frieden evacuation. The Frieden fleet makes a valiant stand to buy the evacuation seventy more minutes but is nearly completely destroyed in doing so. Its foe mauled beyond recognition, Battle Group Juliet demands the immediate surrender of the colony; remaining Frieden forces capitulate and stand down.
— 2223 Sarpedon: UNSC Battle Group Oscar assaults the defenses of 2223 Sarpedon, beginning an eighteen hour slugfest. At the end, Battle Group Oscar accepts the surrender of the colony and its garrison. 
January 9
Trojan space — 2797 Teucer: UNSC Battle Group November attacks Frieden forces at Teucer, forcing the colony's surrender in less than two hours. Only five Frieden ships escape capture or destruction.
— 11887 Echemmon: UNSC Battle Group Quebec easily overwhelms Frieden forces at Echemmon, capturing the small colony and its repair yards intact. 
January 10
Trojan space — 884 Priamus: UNSC Battle Group Tango moves against the assembled Frieden fleet at Priamus. In the course of ninety minutes, the UNSC battle group delivers a vicious battering to the Frieden ships and stations before withdrawing without casualties. While Frieden absolute losses in ships and personnel are high, the UNSC successfully inflicts widespread damage to the fleet and facilities at Priamus; the fleet is effectively crippled and the colony is unable to substantially repair even a small portion of the fleet or its own defenses.
— 3793 Leonteus: UNSC Battle Group Romeo attacks and scatters the Frieden fleet at Leonteus and accepts the surrender of the colony. 
January 11 — 13
Trojan space — 3317 Paris: UNSC Battle Group X-Ray, later reinforced by UNSC Battle Group Casablanca, attacks the Paris colony and its fleet. UNSC forces make repeated attacks on Frieden forces, subjecting the defenders to thirty hours of near-continuous fighting. Frieden forces collapse under the onslaught and surrender the colony on January 13. 
January 11
Trojan space — 588 Achilles: UNSC Battle Groups Charlie and Mike move against the colony for a second time, engaging its defenders, but break off hostilities after an hour of fighting.
— 3451 Mentor: Frieden space forces are either destroyed or forced to withdraw as the UNSC isolates the colony. UNSC marines make landfall.
January 12
Trojan space — 884 Priamus: UNSC Battle Group Tango returns to 884 Priamus, accompanied by Battle Group Baker and Support Group Denmark. Only a handful of Frieden ships successfully flee the colony before its unconditional surrender to the amassed UNSC forces.
— 2920 Automedon: UNSC Battle Group Sierra attacks and destroys Frieden fleet forces near the Automedon colony before compelling the colony's surrender. The battle lasts seven hours, with practically no Frieden forces escaping capture or destruction.
— 5254 Ulysses: UNSC Battle Group Uniform engages the Ulysses defense fleet while the colony attempts to evacuate. The Frieden fleet and the colony's defensive installations buys the evacuation three hours and thirty-three minutes. UNSC Marines assault 5254 Ulysses and accept the colony's surrender after fifteen hours of resistance.
— 15094 Polymele: UNSC Battle Group Victor engages and scatters Frieden space forces, delivering its marine assault force to the colony in less then an hour. The colony surrenders forty-three minutes later; elements of its scattered defense fleet are chased down by UNSC ships for another five hours. 
January 17 — 21
Trojan space — 617 Patroclus: UNSC forces comprising Battle Groups India, Tango, and X-Ray begin their assault on 617 Patroclus and its considerable defense fleet. Despite the colossal firepower of the UNSC fleet, Frieden forces fight desperately to defend their regional headquarters in the Greek camp of the Trojans. Mounting casualties compel the UNSC to stagger their assaults, enabling their crews to effect repairs and recuperate. Frieden reinforcement efforts will be attempted but without success. 
January 19 — 22
Trojan space — 624 Hektor: UNSC forces comprising Battle Groups November, Portugal, and Sierra begin their assault on 624 Hektor. As the seat of Frieden Marine headquarters and the largest Frieden fleet base, the battle lasts several days with UNSC reinforcements arriving regularly to maintain pressure on the defenders of 624 Hektor. 
January 19
Trojan space — 617 Patroclus: UNSC reinforcements arrive in the form of Battle Group Washington and Support Group Rhombus.
January 22
Trojan space: The UNSC declares victory in the Trojans and the Trojan Offensive is officially concluded.
— 624 Hektor: UNSC reinforcements arrive in the form of Battle Groups Oboe and Quadrant. Following the events at 2260 Neoptolemus, Frieden commanders conclude that the fall of the colony is inevitable and enter negotiations with the UNSC. Four hours later, Frieden Marine Headquarters surrenders to the UNSC and issues orders for remaining Frieden forces to stand down as well. Some elements of the Frieden Marine refuse to acknowledge this broadcast, with combat occurring later in the day at 4707 Khryses and 30705 Idaios.
— 1172 Aneas: Frieden forces gather in the vicinity of the colony and are surrendered to the arriving UNSC Battle Group Zanzibar.
— 2260 Neoptolemus: UNSC Battle Groups Liverpool, Yokohama, and Zulu coordinate their assault on the Frieden fleet assembling near the colony, smashing both it and any chance of relief for 624 Hektor. With the survivors of the fleet scattering, UNSC marines assault and overrun Frieden positions on the colony, capturing its facilities and stores intact. Remaining local Frieden space forces surrender to the UNSC over the next eight hours.
— 4707 Khryses: Rejecting orders from 624 Hektor to surrender, elements of the Frieden Marine vow to fight on and compel less zealous ship crews to prepare for battle under threat of death. Before the fleet can complete their preparations, UNSC Battle Group Uruguay arrives and overwhelms it utterly. The few Frieden crews committed to fighting to the last are destroyed in battle, with the rest of the fleet surrendering. Notably, the colony transmits its surrender before the fighting is over.
— 30705 Idaios: Surviving military and political leadership of the Frieden movement in the Trojans hold a conference and discuss surrender or alternatives. No clear majority opinion is reached, but the conference is interrupted by the arrival of UNSC Battle Group Valencia. Disunity and political infighting results in a fraction of the assembled Frieden warships moving to engage. After a brief three minutes of battle, the UNSC battle group continues towards the colony and demands its immediate surrender. Leadership on Idaios capitulate within minutes, and order the fleet to stand down. A few remaining dissenters attempt to flee but are chased down and captured by UNSC cruisers. 
January 27
Jovian space: Details of the Fall of 624 Hektor and the effective dissolution of the Frieden Marine reach Frieden leadership on Callisto and Europa. Several senior members accurately predict that this defeat is the end of resistance, and that the movement has less than six months before UNSC forces overrun them. Publicly, Frieden leadership issue statements of defiance. Under pressure, de facto Frieden supreme leader Oscar Bauer authorizes extensive recruitment drives and production increases in weapon and vehicle manufacturing, and endorses a new defensive operations plan to resist the UNSC by any means necessary.
===February 2170===
===March 2170===
March 7
Jovian space: Frieden leadership notifies UNSC commanders of their acceptance of terms of surrender, and instruct their surviving forces in both Jovian Space and beyond to stand down and surrender themselves.
— Callisto: Oscar Bauer formalizes the instrument of surrender as the Central Army and Iron Guard lay down their weapons. Regional Koslovic leadership, already in UNSC custody, join Bauer in signing a document that will come to be known as the Callisto Treaty, declaring armed resistance against the UEG and UNSC to be at an end and rejecting ideological violence.