160715-N-WV536-005 SAN DIEGO (July 15, 2016) Naval Aircrewman (Helicopter) 1st Class John Jacops, left, and Chief Naval Aircrewman Shaun Daniels, assigned to Helicopter Mine Countermeasures Squadron (HM) 14, explain how the MK-104 acoustic minesweeping device functions to Rear Adm. Jim W. Kilby, Commander, Naval Surface and Mine Warfighting Development Center, during a tour of the squadron in support of the Southern California portion of Rim of the Pacific 2016. Twenty-six nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC from June 30 to Aug. 4. The world’s largest maritime exercise, RIMPAC provides a unique training opportunity that helps participants foster and sustain the cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world’s oceans. RIMPAC 2016 is the 25th exercise in the series that began in 1971. (U.S. Navy photo by Lt. Cmdr. Jeremy Braun/Released)