SPARTAN-005: James - Listed as MIA. Most likely KIA during the Fall of Reach.
SPARTAN-006: Jai - MIA with the rest of Gray Team.
SPARTAN-008: Li - Listed as MIA during Slipspace anomaly battle. Assumed KIA due to nearby plasma torpedo detonation.
SPARTAN-010: Naomi - Active as of March 2553. Currently part of Kilo Five.
SPARTAN-023: Daisy - Listed as MIA, confirmed KIA after being impaled by Needler rounds while trying to save a Pelican and its occupants from enemy fire on Harvest.
SPARTAN-029: Joshua - Listed as MIA, assumed KIA during the Fall of Reach due to a direct hit from a Covenant cruiser's plasma weaponry.
SPARTAN-030: Vinh - Listed as MIA, assumed KIA after the Fall of Reach.
SPARTAN-031: Otto - Listed as MIA, confirmed KIA on Installation 03, July 25, 2557.
SPARTAN-034: Samuel - Listed as MIA, confirmed KIA due to destruction of the Covenant ship they had boarded. First to destroy a Covenant ship in a non-ship to ship battle.
SPARTAN-037: Randall - Listed as MIA after the Battle of Vodin. Re-integrated into UNSC Colonial Militia as a Colonel assigned to the planet Sedra. Confirmed KIA on fragment of Installation 04, February 2556.
SPARTAN-039: Isaac - Listed as MIA, assumed KIA after the Fall of Reach.
SPARTAN-042: Douglas - Last seen aboard UNSC Spirit of Fire after the Battle of Shield 0459 in 2531. Listed as MIA.
SPARTAN-043: William - Listed as MIA, though confirmed KIA by Hunter pair during the Battle of Onyx
SPARTAN-044: Anton - MIA during Slipspace anomaly battle, assumed KIA due to nearby plasma torpedo detonation.
SPARTAN-047: Keiichi - Presumably listed as MIA at Reach. Last seen during the Harvest Campaign.
SPARTAN-051: Kurt - Listed as MIA, confirmed KIA after the detonation of two FENRIS nuclear warheads at the core of Onyx.
SPARTAN-052: Jorge - Listed as MIA, confirmed KIA after initiating an improvised slipspace bomb to destroy Long Night of Solace during the Fall of Reach.
SPARTAN-053: Margaret - Listed as MIA, confirmed KIA on Installation 03, July 25, 2557.
SPARTAN-058: Linda - Active as of July 2557. Clinically KIA during the Fall of Reach but later resuscitated after the Battle of Installation 04.
SPARTAN-059: Malcolm - Listed as MIA, confirmed KIA during the Fall of Reach.
SPARTAN-062: Maria - Retired.
SPARTAN-069: Solomon - Listed as MIA. Confirmed KIA by Covenant antimatter charge decoy during a SPARTAN mission to rescue Dr. Catherine Halsey.
SPARTAN-079: Arthur - Listed as MIA. Confirmed KIA by Seraph-class starfighters