List of missing or abandoned ships
From Halopedia, the Halo wiki
| Ship | Years missing | Last contact | Cause of disappearance | Crew complement | Notable personnel | Fate |
|---|---|---|---|---|---|---|
| UNSC Forward Unto Dawn (aft-section) | 4.61 years | Dec. 11, 2552, The Ark | Severed in half by closing portal. | 2 | John-117 | Crashed on Requiem July 21, 2557. Contact was established with UNSC Infinity. |
| UNSC Rubicon | 5.81 years | Aug. 10, 2554, The Ark | Hijacked by 343 Guilty Spark. | Unknown | Bobby Kodiak | Destroyed after crashing into Geranos-a. All crew killed. |
| UNSC Spirit of Fire | 29.31 years | Feb. 10, 2531, Arcadia | Jumped to unknown region of space pursuing Dr. Ellen Anders. Slipspace engine sacrificed to prevent Covenant from accessing Forerunner warfleet. | 11,350 | James Cutter | Last seen fighting the Banished at The Ark |
