Timeline of the Battle of Installation 04

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This is a timeline of the events slightly before, during, and slightly after the Battle of Installation 04. The battle primarily lasted between September 19 and September 22, 2552,[1] though notable skirmishes and engagements took place before and after this timeframe. Concurrently with these events, the final stages of the Fall of Reach were taking place.

July 2552[edit]

July 17–18[edit]

August 2552 - the Fall of Reach[edit]

August 24[edit]

August 27[edit]

  • AI Cortana is split, with several fragments tasked with analysing the data from the Sigma Octanus artifact and the Babd Catha structure.[4] Cortana would translate these symbols as coordinates, though their meaning and the significance of the object located there remains unknown.[2]

August 29[edit]

  • NOBLE Team extracts the Cortana fragment from Cortana from SWORD base.[5]

August 30[edit]

  • The Cortana fragments are escorted to the Asźod ship breaking yards, and reunited aboard the UNSC Pillar of Autumn. John-117 and Linda-058 are deployed to Reach orbital station Gamma to purge the navigational databanks of the UNSC Circumference, and Linda is critically injured, being stowed in a cryo pod aboard the Autumn until such a time as she is able to receive medical treatment. The rest of the Spartan-IIs tasked to the Pillar of Autumn are deployed on the ground to defend Reach, leaving John-117 the only operational Spartan supersoldier on the ship.[2]
  • The Autumn breaks the Covenant blockade of Reach and initiates an emergency random slipspace jump, as per the Cole Protocol. However, Cortana subsitutes the intended random coordinates with the ones gleamed from her research.[2][6]
  • The Fleet of Particular Justice, led by Thel 'Vadamee, follows the Pillar of Autumn.[7][8]

September 2552[edit]

Unknown date[edit]

  • The Fleet of Particular Justice arrives in the Soell system ahead of the Pillar of Autumn thanks to their superior slispace drive technology.[9][10]
  • Particular Justice establishes its vessels on the far side of the ring and establishes several recon pickets to await the Autumn.[10]
  • The Minor Prophet of Stewardship declares this mission as religious matter as opposed to a military one, and invokes immediate adherence to reclamation procedure. The Prophet and Thel 'Vadamee convene aboard the Seeker of Truth to contact High Charity and ensure their interpretation of Covenant scripture is accurate, though High Charity cannot be reached and no decision is made. 'Vadamee is reluctant to give up command.[10][11]
  • The Undiminished Entelechy and Purity of Spirit are secretly ordered by the Prophet to begin sweeping the ring and its outlying installations for technology.[12]

September 18[edit]

  • 2200 hours (ship time): Captain Keyes and other key crew wake up on the UNSC Pillar of Autumn, and check the status of the ship.[13]

September 19[edit]

The Pillar of Autumn exits slipspace at 01:20 hours.
  • The Pillar of Autumn exits slipspace to discover a dozen CCS-class battlecruisers divided into battle groups of four vessels already securing the system.[9] The Prophet of Stewardship orders that the Covenant fleet is not fire on the human vessel, but instead launch fighters and boarding parties for fear of damaging the holy ring. 'Vadamee ignores this order, and opens fire on the human cruiser.[10]
  • 0103 hours (ship time): Chief Petty Officer Thom Shephard rouses Petty Officer Third Class Samuel N. Marcus via intercom and requests he report to Cryo Two.
  • 0115 hours (ship time): The bridge crew of the Pillar of Autumn assemble on the bridge to await them leaving slipspace in 5 minutes, where Captain Keyes asks Cortana to shut down all systems before returning to normal space.[13]
  • 0120 hours (ship time): The Pillar of Autumn exits slipspace in the Soell system.[14]
  • 0127 hours (ship time): The UNSC Pillar of Autumn suffers its first hit since fleeing Reach due to a Seraph powering down and managing to slip past its sentry ships.[15] Nonetheless, the ship's GA-TL1 Longsword escort is able to pick off the last of the Covenant recon pickets. Captain Jacob Keyes initiates Article 2 of the Cole Protocol, ordering the crew to abandon ship. He orders Thom and Samuel to "unseal the hushed casket" and awaken John-117. The Spartan is ordered to evacuate ship with Cortana, while Keyes stays behind to crash-land the ship on the surface of the ring.[9]
  • Fireteam Raven is ordered by Major Antonio Silva to defend the Pillar of Autumn from boarders. They fight alongside the ship's Marine complement to fend off boarders, before being tasked by Wellsley to man the ship's M910 Rampart point defense network and fend off several waves of inbound Morsam-pattern Seraphs and Type-27 Banshees. Raven eventually make their way back to their SOEIV bays and evacuate the ship.[16][17]
  • The Minor Prophet of Stewardship orders the deployment of an Ossoona, Isna 'Nosolee, to board the Autumn to obtain useful information.[10]
  • John-117 and Cortana escape the Autumn in a Class-3 Bumblebee lifeboat, designated Lima Foxtrot Alpha 43'.
  • Carol Rawley and several other Pelican pilots are able to escape the Pillar of Autumn.
  • Keyes sets the Autumn on a collision course with the ring, and prepares to board lifeboat Kilo Tango Victor 17. He is followed by 'Nosolee, who is ultimately shot by Keyes' M6D magnum.[15]
  • D+00:02:51: Lima Foxtrot Alpha 43's pilot guides it into a shallow dive toward Installation 04's surface but an airbrake failure causes all Marine personnel aboard the craft to die. The Spartan moves into the hills to evade Covenant patrols. The Master Chief begins to round up Marine survivors, who are brought back to Alpha Base by Echo 419.[18][19]
  • Deployment (D)+00:03:24: Major Silva's Single Occupant Exoatmospheric Insertion Vehicle is among the first to enter Installation 04's atmosphere.[18]
  • D+00:05:08: Kilo Tango Victor 17, containing the Pillar of Autumn bridge crew lands on the ring. Keyes and company begin making their way to safety, but are eventually captured by the Covenant after several hours.[18]
  • Most of the 130-strong Orbital Drop Shock Trooper complement of the Pillar of Autumn lands on the ring and immediately sets to work securing a fortified Forerunner mesa under the supervision of Major Silva and Lieutenant Melissa McKay. B Company sets out during the night to capture the butte, while C Company rendezvouses with the escaped Pelican shuttles. A Company and D Company are attacked by a force of Covenant ghosts.[18]
  • Fireteam Raven land on the ring and begin making their way to the crash site of the Pillar of Autumn under the guidance of Wellsley, a journey expected to take 28 hours.[17]
  • D+03:14:26: John-117 encounters Fire Team Charlie holding out in the structures of Alpha Halo. He assists the team before Echo 419 arrives to extract the marines.[19][20] He spends the remainder of the afternoon rounding up survivors before heading to Alpha Base.
  • D+17:11:04: Raid on the Truth and Reconciliation begins as UNSC forces led by John-117 storm the vessel and rescue Captain Jacob Keyes. A secondary team under Lieutenant Dalu extracts a number of Covenant supplies for use by Alpha Base including six Shade turrets.[21]
  • B Company is inserted onto the planes surrounding the Pillar of Autumn at night.[21]
  • In response to the succesful raid on the Truth and Reconciliation, Zuka 'Zamamee is given permission to hunt down John-117.[21]
  • Unknown time (post-space battle): Minor Prophet orders artifact retrieval teams led by Loka 'Bandolee and Sesa 'Refumee to investigate the gas mines of Threshold. Fleet master 'Vadamee issues a transmission ordering all military forces to be concentrated on the human threat. The Prophet sends secondary and tertiary teams to a Flood containment facility, and prepares to send a fourth following their loss of contact. 'Vadamee issues a second order to no response from the Prophet, leading to his deployment of a single infantry unit to the carrier. Ascendant Justice shoots down the craft, and the Prophet warns that future interference will be met with the same fate.[10]

September 20[edit]

  • D+28:15:25: Raid on the Pillar of Autumn begins at dawn, led by Lt. McKay. The ODST company storms the Pillar of Autumn and takes the meager Covenant force by surprise and begins offloading supplies.[17][22]
  • Fireteam Raven join a UNSC armored convoy headed to the crash site of the Autumn and assist in the battle.[17][22][23]
  • The Battle of the Silent Cartographer begins as the Master Chief and Cortana begin to search for Halo's map room. Zuka Zamamee unsuccessfully attempts to kill the Spartan, but the battle is ultimately successful for the UNSC.[1][6][17][22][24]
  • Captain Keyes, Second Squad and Fire Team Charlie deploy to a Flood containment facility on the ring to search for a supposed Covenant weapons cache, leading to a massive Flood outbreak.[1][6][17][25][26]
  • D+44:38:19: Field Master Noga 'Putumee ambushes the returning convoy led by Lt. McKay, but is ultimately unsuccessful in his attempt.[25]
  • Echo 419 lowers into the tunnels in the middle of the Silent Cartographer island, depositing the Master Chief near the ice canyons where the ring's Control Room is located. John proceeds to assault the control room with Fire Team Zulu. At Cortana's insistence, the Spartan departs to rescue Captain Keyes while she stays in the system.[28][29]
  • D +58:36:31: Echo 419 deploys John-117 into the swamps of Installation 04. The Spartan witnesses the Spirit dropship Brilliant Gift escaping the swamps.[30] The Master Chief encounters the Flood and narrowly escapes the swamps with the help of 343 Guilty Spark.[31]
  • Brilliant Gift crash-lands on the Infinite Succor, a DSC-class support ship serving the Covenant fleet. The Flood aboard the dropship proceed to infect the vessel, leading a special operations team led by Rtas 'Vadumee to board the ship to eradicate the infestation. The Minister of Etiology is infected, and Vadumee's left mandibles are cut off.[10][30]
  • 7th Cycle, 49 Units (Covenant battle calendar): Sangheili Soha 'Rolamee is executed by the Prophet of Stewardship for his failure to contain the Flood outbreak, and is used as a warning to Zuka for repeated failure.[28] The Fleet Master prepares a boarding action to relieve the Prophet of command.[10]
  • UNSC forces recover Yayap, as a prisoner-spy, and take him to Alpha Base.[28]
  • 'Vadamee orders quarantine procedure to be enacted amongst the fleet, shooting down any ship which fails to return biometric scans for its crew.[10] Undiminished Entelechy is among the vessels destroyed by the action.[12]
  • Prophet of Stewardship moves his headquarters from the Ascendant Justice to Truth and Reconciliation, ordering the local crew to police the ship and detain anyone who poses a threat - including the Fleet Master. 'Vadamee boards the ship and reaffirms the crew's loyalty to him, with no shots fired.[10]

September 21[edit]

  • 0236 hours: The last scheduled mission for the night returns to Alpha Base. Several hours later, Pelican Charlie 217 radios in, requesting permission to land. The Pelican is given permission despite having not been heard from since the initial landings, and Wellsley realizes too late; the Pelican is staffed full of Special Operations Sangheili, and the Battle of Alpha Base begins.[31]
  • Fireteam Raven is ordered to defend Alpha Base. They eliminate several waves of troops before being recalled to the canyons near the control room to assist the Master Chief.[17][32]
  • D +60:33:54: Echo 419 attempts to extract the Master Chief from the facility, but he is instead teleported away by 343 Guilty Spark to the Library, where he retrieves the Index.[33]

September 22[edit]

October 2552[edit]

October 20[edit]

Additional reading[edit]

Several official timelines of the Battle of Installation 04 have been published by 343 Industries. They are linked below for convenience.

Internal links[edit]

External links[edit]

Sources[edit]

  1. ^ a b c Halo Waypoint: The Halo Confict - Timeline (Archive)
  2. ^ a b c d Halo: The Fall of Reach
  3. ^ Dr. Halsey's personal journal: August 24, 2552
  4. ^ Dr. Halsey's personal journal: August 27, 2552
  5. ^ Halo: Reach: campaign level, The Package
  6. ^ a b c d The Halo Conflict
  7. ^ Halo 2: campaign level, The Heretic
  8. ^ Bungie.net, Jason Jones Interviewed By You (Archive)
  9. ^ a b c Halo: Combat Evolved: campaign level, The Pillar of Autumn
  10. ^ a b c d e f g h i j Halo: The Flood: Adjunct - Priority Broadcast Log/Eleventh Cycle, Third Unit
  11. ^ Halo Legendary Crate, Data Drop #3
  12. ^ a b Halo Waypoint: Cannon Fodder: Beta Late Than Never
  13. ^ a b Halo: The Fall of Reach: Epilogue
  14. ^ Halo: Reach, campaign level Epilogue
  15. ^ a b Halo: The Flood, Chapter 1
  16. ^ Halo: Fireteam Raven: campaign level, Escape
  17. ^ a b c d e f g Halo Waypoint: Canon Fodder - That's So Raven
  18. ^ a b c d Halo: The Flood, Chapter 2
  19. ^ a b Halo: Combat Evolved: campaign level, Halo
  20. ^ Halo: The Flood, Chapter 3
  21. ^ a b c Halo: The Flood, Chapter 4
  22. ^ a b c Halo: The Flood, Chapter 5
  23. ^ Halo: Fireteam Raven: campaign level, Rubble
  24. ^ Halo: Combat Evolved: campaign level, The Silent Cartographer
  25. ^ a b Halo: The Flood, Chapter 6
  26. ^ Halo: Combat Evolved: campaign level, 343 Guilty Spark
  27. ^ Halo Graphic Novel, Breaking Quarantine
  28. ^ a b c Halo: The Flood, Chapter 7
  29. ^ Halo: Combat Evolved: campaign level, Assault on the Control Room
  30. ^ a b Halo Graphic Novel, The Last Voyage of the Infinite Succor
  31. ^ a b Halo: The Flood, Chapter 8
  32. ^ Halo: Fireteam Raven: campaign level Alpha Base
  33. ^ Halo: The Flood, Chapter 9