The Colonial Cross is a military decoration awarded to Soldiers, Marines, Sailors, and Airmen of the United Nations Space Command for "acts of singular daring and devotion". It is the highest decoration a UNSC serviceman or woman can earn in wartime and is usually awarded in a ceremony recognizing the person who has won the award.
- Vice Admiral Ysionris Jeromi (Awarded twice)
- Captain Jacob Keyes (posthumously)
- Master Chief Petty Officer John-117
- Sergeant Major Avery Johnson
In the Halo 2 Anniversary cutscenes, the medal is depicted with a solid red ribbon, rather than the blue, red, and gold ribbon of the original game.