Tech. Sgt. Neal Brooks, 23d Aerospace Medicine Squadron administers a vision test, Jan. 19, 2018, at Moody Air Force Base, Ga. The Biomedical Science Corps became the most diverse corps in the Air Force Medical Services when the Chief of Staff of the Air Force signed a special order on Jan. 28, 1965. (U.S. Air Force photo by Senior Airman Daniel Snider)