U.S. Air Force Airman 1st Class Jolonda Houston, 379th Expeditionary Medical Group Blood Transshipment Center medical logistician, checks the temperature of a bag of plasma, Dec. 4, 2014, at Al Udeid Air Base, Qatar. BTC Airmen are always verifying the correct temperature of blood products to ensure the supplies never exceed the recommended temperature, because if they do, they run the risk of bacterial growth and must be destroyed. (U.S. Air Force photo by Senior Airman Kia Atkins)