UNSC Leviathan

The UNSC Leviathan was a United Nations Space Command commanded by Admiral Michael Stanforth. It was a veteran vessel, seeing numerous engagements, including the Battle of Sigma Octanus IV, where it took a plasma torpedo to its bow, starting fires in its foredecks. After the Battle at Sigma Octanus, the Leviathan returned to Reach. It was apparently destroyed in the Fall of Reach, and Stanforth was among the crew that perished in the battle.

Trivia
Admiral Harold Stanforth, who may or may not be related to Michael Stanforth, was the commanding officer of a vessel of the same name in the early 26th century.

List of appearances

 * Halo: The Fall of Reach