UNSC Onan

The Onan, Hull Classification Symbol DDA-147, was a UNSC freighter. It was orbiting Earth's far side during the First Battle of Earth. Its main purpose is to deliver supplies to the military and civilian installations encircling the globe.

It is the location of the Halo 2 multiplayer map Elongation.

Trivia

 * For a long amount of time, many believed that the Onan was an Orbital Defense Station.