F-99 Wombat

The F-99 Wombat is a carrier-based unmanned air combat vehicle used by the UNSC Air Force.

Trivia

 * The Wombat was originally going to be featured in Halo 3, but didn't appear until Halo 3: ODST. It was featured in the Art of Halo 3 book. It wasn't actually officially named the Wombat, but was just a joke referring to the fighter's designation.