130220-N-ZZ999-002: OKINAWA, Japan (February 20, 2013) Builder 3rd Class David Domagala, from Tampa, Fla. assigned to Naval Mobile Construction Battalion (NMCB) 5, constructs a Southwest Asia Hut to be used for urban mobility breaching training. The Seabees are working with Marines from the Combat Assault Battalion (CAB) as part of an educational exchange which involves NMCB 5 troops teaching Marines how to construct Southwest Asia (SWA) huts while CAB Marines demonstrated their demolition skills used to conduct urban mobility breaching. (U.S Navy photo by Ensign Humberto Baeza/RELEASED)