Adams was a UNSCDF ODST stationed on UNSC Midsummer Night. He was present at the Battle of Metisette, and was the one who found the SHIVA Nuclear Warhead in the SOEIV pod. Adams also has a sibling, Janet Adams who is also a UNSC Marine. Adams and Mutuku then helped Spartan Jai-006 deliver the warhead to the Covenant sensor station on Metissette.