PACIFIC OCEAN (July 13, 2022) Gunner's Mate 2nd Class Michael Steinmetz, from Yorba Linda, Calif., operates a Phalanx close-in weapons system (CIWS) as the Ticonderoga-class guided-missile cruiser USS Mobile Bay (CG 53) conducts a live-fire exercise with the Royal Canadian Navy HMCS Winnipeg (FFH 338) and Philippine navy frigate BRP Antonio Luna (FF 151) during Rim of the Pacific (RIMPAC) 2022. Twenty-six nations, 38 ships, four submarines, more than 170 aircraft and 25,000 personnel are participating in RIMPAC from June 29 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 while fostering and sustaining cooperative relationships among participants critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2022 is the 29th exercise in the series that began in 1971. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alonzo Martin-Frazier)