Siege of the Atlas Moons
From Halopedia, the Halo wiki
In the Siege of the Atlas Moons UNSC forces fought the Covenant on the moons of the planet Atlas. UNSC forces won on ground, and won in space
Little is known of this battle except that Vice Admiral Danforth Whitcomb fought in the engagement and gained a reputation as a great military commander and inspriration he gave to his men as they ralleyed and routes numericaly superiour covent forces.