170815-N-YG415-065 OKINAWA, Japan (Aug. 15, 2017) Builder Constructionman Ishmael Apatiga, left, and Hospital Corpsman 3rd Class Chase Spann, both assigned to Naval Mobile Construction Battalion (NMCB) 3, perform a “hasty” rappel down a training wall at the Marine Corps Jungle Warfare Training Center (JWTC) at Okinawa’s Camp Gonsalves. A total of 31 NMCB-3 Seabees attended the four-day JWTC course to sustain the battalion’s overall readiness as the Pacific Region’s primary forward-deployed construction battalion. (U.S. Navy photo by Mass Communication Specialist 1st Class Michael Gomez/Released)