A U.S. Marine Corps UH-1Y Venom helicopter, right, participates in nighttime flight operations aboard the amphibious assault ship USS Peleliu (LHA 5) in the Pacific Ocean July 24, 2014, during Rim of the Pacific (RIMPAC) 2014. RIMPAC is a U.S. Pacific Fleet-hosted biennial multinational maritime exercise designed to foster and sustain international cooperation on the security of the world's oceans. A portion of this image was altered for security purposes. (U.S. Navy photo by Mass Communication Specialist 2nd Class Daniel Viramontes/Released)