SAN DIEGO (July 5, 2016) Mexican navy Capt. Sergio Serrallonga Sanchez, Commander, Naval Flotilla of Destroyers of Pacific Naval Forces, left, and Cmdr. Jose Antonio Barbosa Cruz, commanding officer of the Mexican navy tank landing ship ARM Usumacinta (A-412), center, welcome aboard Rear Adm. James Kilby, Commander, Naval Surface and Mine Warfare Development Center, during a reception as part of the Southern California portion of the Rim of the Pacific (RIMPAC) 2016 exercise. 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, in and around the Hawaiian Islands and Southern California. The world's largest international 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 Mass Communication Specialist 3rd Class James Vazquez/Released)