Staff Sergeant Roland Huffman was a human junior officer of the UNSC Marines Shock Trooper. Throughout his years of service in the UNSC, since his enlistment in 2548, Roland has participated and survived in several engagements with the Covenant. He later applied to join the 5th Shock Troops Battalion in 2551 and served in the 22nd Shock Troops of the 5th till 2558. He retired as Staff Sergeant of the Marine Corps in 2573.