Operation
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Operation redirects here. For the periodic updates to Halo Infinite, see Event.
An operation is a planned military offensive conducted by a military force, generally against a specific enemy objective or group of objectives. Operations can be large scale military campaigns, battles or small, covert insertions. Operations receive unique code words to distinguish themselves from other actions without giving away sensitive information that could be intercepted by enemy forces.
Known Operations[edit]
| Operation | Date | Description |
|---|---|---|
| Operation: ABLE SENTRY | A force reconnaissance operation, Edward Buck participated in to prepare for Operation: PHALANX on Circinius IV. | |
| Operation: ACADEMIC | February 10, 2558 | Fireteam Majestic was ordered to advance on Covenant cultists on a location on Requiem.[1] |
| Operation: ALL-SEEING EYE | February 8, 2558 | An operation that saw Fireteam Majestic recon for a location for a possible base establishment on Requiem.[1] |
| Operation: ANCHORITE | October 2558 | An operation undertaken by the UNSC Infinity and Expeditionary Strike Group 1 against Jul 'Mdama's Covenant on Kamchatka, concurrently with the top-secret Operation: DESINENCE. |
| Operation: ASTUTE TIGER | An operation Edward Buck participated in on Harvest which consisted of deploying ADM's to predicted Covenant landing zones prior to UNSC evacuation. | |
| Operation: ATHENA | 2558 | Operation launched to discover the location of the Absolute Record. |
| Operation: ATLAS VIGILANCE | 2558 | An aborted ONI mission undertaken by Spartan Vale that involved securing Shipmaster Ori 'Sumai at Salia III. |
| Operation: BIRD IN HAND | October 23, 2558 | A recovery operation undertaken by Spartan-II Blue Team in order to secure ONI research station Argent Moon. |
| Operation: BLEACH | February 2558 | An ONI mission related to Mission to Alpha Shard, involving Codename: FIXER recovering information regarding it. |
| Operation: BLIND FAITH | 2552 | A combined UNSC and Sangheili battlegroup follow the Prophet of Truth to Installation 00, locating and assassinating the leader of the Covenant. |
| Operation: BLOWBACK | 2552 | Aborted Spartan-II Black Team covert operation to gather intelligence and destroy Covenant ships in Sub-sector 35. |
| Operation: BLUE MOON | Prior to 2530 | The operation involved the sweeping and clearing of a URF base on Eridanus II by an ODST team. Spartan-II Linda-058 provided cover fire for the team. |
| Operation: BRAVADO | 2552 | An operation of involving Vice Admiral Michael Stanforth. |
| Operation: BREADCRUMB | A mission in which Captain James Cutter was involved at some point. | |
| Operation: BREAKER TRIP | 2559 | An operation conducted by the UNSC during the Created conflict. |
| Operation: BRONZE COBRA | Between 2553 and 2557 | An operation on Venezia undertaken by Spartan-II Linda-058. |
| Operation: BUMRUSH | October 20, 2552 | An ODST mission during the Battle of Mombasa in which they had to infiltrate the CAS-class assault carrier Solemn Penance and force the ship down. |
| Operation: BUZZHAWK | September 2558 | A Surakan Militia сounter-operation against Jiralhanae invaders on the planet Carrow designed to destroy their flagship, the Varric-pattern heavy cruiser Foebane. |
| Operation: CARRION HEART | 2553 | A UNSC operation details of which have been redacted by the ONI, though Frederic-104 participated in it. |
| Operation: CARTWHEEL | 2540's | A SPARTAN-III Beta Company mission. |
| Operation: CHARLEMAGNE | 2496 | The deployment of a company of ORION Project operatives against Insurrectionists over Eridanus II. |
| Operation: CHATTERBOX | February 9, 2558 | An operation in which Fireteam Crimson and Fireteam Majestic were tasked to remove Covenant cultists in certain locations on Requiem, with Majestic focusing on a communications array.[1] |
| Operation: CIRRUS | 2552 | An operation in which Blue Team was tasked to rescue key military personnel from the Forerunner world of Onyx. |
| Operation: CLEAN SWEEP | An operation during the Insurrection. | |
| Operation: COALPEPPER | 2555 | A Spartan-IV operation to recover the Huragok Quick to Adjust from United Rebel Front-controlled Talitsa. |
| Operation: COUGAR REDEMPTION | Prior to 2557 | UNSC operation undertaken by Kelly-087. |
| Operation: DAWN ECLIPSE | Prior to 2558 | A mission during which Spartan Locke served as security for an ONI xenoarchaeological survey team at a redacted location. |
| Operation: DAYBREAK | Highly classified military exercises conducted by the UNSC Navy on Oban. | |
| Operation: DELHI | Prior to 2558 | A denial of material mission against insurrectionist forces on Hat Yai, during which Spartan Locke succeeded in destroying twenty-one special technical assets. |
| Operation: DESINENCE | October 2558 | Concurrent with Operation: ANCHORITE, a mission undertaken by Fireteam Osiris on Kamchatka to rescue Doctor Catherine Halsey from Covenant custody as well as assassinate Jul 'Mdama if possible. |
| Operation: DEVIL FREEDOM | Prior to August 2552 | Operation involving Kelly-087, who assisted the evacuation of civilians and targeting of Covenant landing craft for orbital bombardment on Imber |
| Operation: ECDYSIS | Prior to 2560 | A mission part of the Zeta Halo Project undertaken at ONI Ilex Facility. |
| Operation: EASTERN AZURE | Prior to 2558 | A surveillance mission at Arcadia undertaken by Spartan Locke. |
| Operation: FALLEN WALLS | 2532 | UNSC defense of Jericho VII |
| Operation: FAR STORM | 2555 | Joint UNSC-Swords of Sanghelios mission to Installation 00. |
| Operation: FIRESIDE | 2552 | An ODST mission on Ariel. |
| Operation: FIREBRAND | 2535 | The very first deployment of SPARTAN-III Alpha Company, in which they helped suppress an anti-UEG coup d'état attempting to seize control of Mamore. |
| Operation: FIRST STRIKE | 2552 | A small SPARTAN-II offensive against the Covenant battle station Unyielding Hierophant. |
| Operation: FLINT DEVIL | Prior to 2557 | An operation undertaken by Kelly-087 during which she was deployed to Installation 03 to provide security for a research facility on the ring. |
| Operation: FOCUS LENS 2555 | 2555 | A joint-service exercise on Mars simulating a second invasion of the Sol system by the Covenant undertaken by Holly Tanaka. |
| Operation: GREY VEIL | 2544 | An assassination mission on the planet Heian undertaken by an ODST squad accompanied by Spartan-II Cal-141. |
| Operation: GUARDIAN LANCE | 2540 | The recovery of Covenant technology by the UNSC on Jericho VII. |
| Operation: HEMORRHAGE | Prior to August 2552 | Operation involving Kelly-087. |
| Operation: HERODUCK | A mission in which Spartan-IVs conducted field tests of BARVO-class Mjolnir helmet. | |
| Operation: HORIZON | Prior to 2544 | An operation undertaken by John-117 with mission target to destroy Covenant exploratory fleet elements near Cascade. |
| Operation: HORN AND HIDE | Prior to August 2552 | Successful assassination of a San'Shyuum missionary on Odenli'sh by Linda-058. |
| Operation: HWACHA | 2537 | Counter-boarding operation against Covenant fleet elements in the Bonanza asteroid belt. |
| Operation: HIVEBREAKER | 2560 | An operation undertaken by the UNSC and the deployment of ODSTs and Hellbringers led by sergeant Tarkov to destroy a Yanme'e hive. |
| Operation: HYPODERMIC | dates unknown | A mysterious and secret ONI project that has been in progress since 2531. |
| Operation: ICE DANCE | March 18, 2526 | An engagement between the UNSC forces and the Insurrectionists on Seoba. |
| Operation: INSTINCT | 2553 | An operation during which Fred-104 rescued UEG diplomatic personnel and eliminated insurrectionist forces on the human colony of Andesia. |
| Operation: IRON FIST | Mid 2540s | An operation undertaken by John-117 during which he was deployed to Miridem with the duel goals of asset denial and partial recovery of critical cyberinfrastructure assets. |
| Operation: IRON GREAVE | Early 2537 | An engagement between the UNSC and the Covenant on New Constantinople. |
| Operation: JOINT MONITOR | After November 2552 | Biohazard containment operation following the Battle of Voi in which Alpha-Nine participated. |
| Operation: JOVIAN WHISTLE | May 2553 | Operation conducted by the UNSC on the human colony of Gao in order to retrieve Forerunner technology on the planet. |
| Operation: KALEIDOSCOPE | 2502 | The assassination of rebel political leader, Jerald Mulkey Ander, on Harvest. |
| Operation: KICKSTAND | 2559 | An operation conducted by the UNSC during the Created conflict. |
| Operation: KINETIC STORM | During or after 2553 | A series of reconnaissance and strike operations in an unknown Joint Occupation Zone in which Edward Buck participated. |
| Operation: LAND GRAB | February 7, 2558 | An mission which saw the initial assault and neutralization of Covenant positions inside Requiem. |