OKINAWA, Japan (Sept. 17, 2013) U.S. Navy Ensign Samuel Corey, assigned to Naval Mobile Construction Battalion (NMCB) 3, rappels down a cliff at the Marine Corps Jungle Warfare Training Center at Camp Gonsalves. More than 60 Seabees are attending the 8-day 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 Chris Fahey)