Atlas

Atlas is a UNSC colony with multiple moons. The prolonged Siege of the Atlas Moons was fought on the planet's moons by Vice Admiral Danforth Whitcomb, ending in a rare UNSC victory.

The planet (like the ) is named after Atlas, the Greek titan who bore the world on his back.

Halo 3: ODST was named before the release of the trailer Halo 3: Atlas.