160919-N-TR141-062 TINIAN, Northern Mariana Islands (Sept. 19, 2016) Information Systems Technician 2nd Class Jacob Clark, right, Steelworker 2nd Class Bryan Peelgren, and Builder 3rd Class Logan Vanblaricome, all assigned to Naval Mobile Construction Battalion (NMCB) 11, conduct preventative maintenance on the Very High Frequency (VHF) and Ultra High Frequency (UHF) Antenna during Exercise Valiant Shield 2016 in Tinian, Commonwealth of the Northern Mariana Islands (CNMI), Sept. 19, 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)