130220-N-ZZ999-001: OKINAWA, Japan (February 20, 2013) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 5 along with Marines from the Combat Assault Battalion (CAB) conduct an urban mobility breaching exercise. The Seabees are working with Marines from the Combat Assault Battalion 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)