Regerister to donate bone marrow
U.S. Air Force 1st Lt. Caleb Taylor, 55th Electronic Combat Group deputy group resource advisor and standardization and evaluation liaison officer, swabs the inside of his cheek at Davis-Monthan Air Force Base, Ariz., July 22, 2014. Taylor was required to submit a swab sample in order to register as a bone marrow donor. (U.S. Air Force photo by Airman 1st Class Cheyenne Morigeau/Released)