U.S. Air Force Lt. Col. Jimmy Pedany, Air Combat Command Airborne Reconnaissance Operations Branch chief, donates blood during a blood drive at Langley Air Force Base, Va., June 2, 2015. The blood drive was held by the Armed Services Blood Program to provide blood-related supplements to military hospitals worldwide. (U.S. Air Force photo by Airman 1st Class Devin Scott Michaels/Released)