Tech. Sgt. Marilou Vaughan and volunteer 1st Lt. Jacquelyn Smith inventory red blood cell units May 9 in the Blood Transshipment Center at this air base in Southwest Asia. Volunteers assist the BTC staff with inventorying incoming blood products before distribution throughout the U.S. Central Command area of responsibility. Sergeant Vaughn is a lab tech with the 379th Expeditionary Medical Group BTC. (U.S. Air Force photo/Senior Airman Andrew Satran)