A medical lab technician from Armed Services Blood Program-Europe, Landstuhl Regional Medical Center, Germany, fills test tubes with blood after a donor’s collection bag has been filled at the ASBP blood drive Feb. 7, 2017, on RAF Mildenhall, England. Airmen from RAF Mildenhall and RAF Lakenheath volunteered their time to help at various stations at the blood drive. (U.S. Air Force photo by Karen Abeyasekere)