Staff Sgt. Jasmine Gates, left, and Staff Sgt. Alexis Ellingson, both 379th Expeditionary Aeromedical Evacuation Squadron aeromedical evacuation technicians, check boxes used for transporting blood for defects in the Blood Transshipment Center (BTC) Jan. 9, 2019, at Al Udeid Air Base Qatar. Ellingson and Gates volunteered time to assist Airmen at the BTC in preparing blood products for transport. The BTC is comprised of a four-person team that orchestrates the flow of blood and platelet products to 72 forward operating locations and eight mobile field surgical teams throughout U.S. Central Command’s area of responsibility. (U.S. Air Force by Tech. Sgt. Christopher Hubenthal)