The UNSC Colonial Cross is the highest-ranking military decoration awarded to Soldiers, Marines, Sailors, and Airmen in the UNSCDF. The Colonial Cross is awarded for acts of singular daring and devotion, and is the highest wartime decoration a UNSC serviceman or woman can earn. It is usually given out in a ceremony recognizing the person who has won the award.
- Vice Admiral Ysionris Jeromi (Awarded twice)
- Captain Jacob Keyes (posthumously, accepted by his daughter Miranda Keyes)
- Master Chief Petty Officer John-117
- Sergeant Major Avery Johnson