Equipment Operator 3rd Class Joseph Cooper, assigned to Naval Mobile Construction Battalion (NMCB) 11, clears off debris from Runway Charlie on Tinian, Commonwealth of the Northern Marianas Islands (CNMI), during Exercise Valiant Shield 2016, Sept. 12, 2016. Valiant Shield is a biennial, U.S. Air Force, Navy and Marine Corps exercise held in Guam, focusing on real-world proficiency in sustaining joint forces at sea, in the air, on land and in cyberspace. (U.S. Navy Combat Camera photo by Mass Communication Specialist 1st Class Benjamin A. Lewis/Released)