Atlas

Atlas is a planet in the Valence system known to have multiple natural satellites, collectively known as the Atlas Moons.

History
The moons of Atlas were colonized by the Unified Earth Government in 2450.

During the Human-Covenant War, the moons of Atlas were attacked by the Covenant in 2538, resulting in the prolonged Siege of the Atlas Moons. Vice Admiral Danforth Whitcomb commanded the UNSC naval forces in the battle, gaining reputation for his accomplishments, and ultimately the moons of Atlas were not glassed.

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