First Lt. Fanita Schmidt, a 4th Space Operations Squadron orbital analysis engineer, donates blood at the 3rd annual blood drive hosted by the 21st Medical Dental Squadron at Schriever Air Force Base, Colo., Oct. 6, 2015. Schmidt explained her decision to donate was based on personal experiences from her childhood, when she received a blood transfusion after a devastating car wreck. (U.S. Air Force photo/Christopher DeWitt)