171103-N-NJ910-0108 ATLANTIC OCEAN (Nov. 3, 2017) Gunner’s Mate Andre Burnett, oversees the remote firing of a a Mark 38 Mod. 2 25mm machine gun during a combined composite training unit exercise (COMPTUEX). Iwo Jima, components of the Iwo Jima Amphibious Ready Group and the 26th Marine Expeditionary Unit are conducting COMPTUEX that is the culmination of training for the Navy-Marine Corps team and will certify them for deployment. (U.S. Navy photo by Mass Communication Specialist Seaman Dary M. Patten/Released)