International service members begin the mens 50-meter backstroke event during a swim meet as part of Rim of the Pacific (RIMPAC) 2014 at Joint Base Pearl Harbor-Hickam, Hawaii, June 30, 2014.
RIMPAC is a U.S. Pacific Command-hosted biennial multinational maritime exercise designed to foster and sustain international cooperation on the security of the world?s oceans. (DoD photo by Mass Communication Specialist 1st Class Daniel Gay, U.S. Navy/Released). Original public domain image from Flickr