U.S. Navy Hospital Corpsman 2nd Class Steven East (back left) explains how to prepare an intravenous needle (IV) to SENIOR CHIEF Construction Mechanic Richard Rhoads (front right), Detail Special Operations Forces (DSOF), Naval Mobile Construction Battalion 3 (NMCB-3), during a Combat Life Saver course being conducted on Jan. 30, 2007, at Camp Shields, Okinawa Prefecture, Japan. NMCB-3 is preparing to deploy to Afghanistan in support of the global war on terrorism. (U.S. Navy photo by Mass Communication SPECIALIST 1ST Class Carmichael Yepez) (Released)