LANGLEY AIR FORCE BASE, Va. - Mariah Upshaw, Odyssey Martial Arts Academy student, and Staff Sgt. Marcellous Register, 735th Supply Chain Management Group, practice enemy evasion maneuvers during Modern Combatives training April 7. For the first time, Langley and Fort Eustis Service members merged in a session of combatives, which is the Army's version of hand-to-hand combat training. (U.S. Air Force photo/Senior Airman Dana Hill)