Officer Training School cadets in OTS class 16-07 take the oath of office during their graduation parade at Maxwell Air Force Base, Ala. on June 17, 2016. In April 2019, Maxwell AFB announced two beta courses, called Officer Training School-Accelerated Commissioning Program, that will shorten OTS from 40 training days to 14 training days for selected senior NCOs. (U.S. Air Force photo by Melanie Rodgers Cox)