U.S. Air Force Col. Jason E. Corrothers, 737th Training

U.S. Air Force Col. Jason E. Corrothers, 737th Training Wing commander, and Chief Master Sgt. James A. Roy, Chief Master Sgt. of the Air Force, CMSAF retired, salute during a basic military training graduation, May 17, 2019, at Joint Base San Antonio-Lackland, Texas. Roy was selected the 16th CMSAF on June 2009. JBSA-Lackland is often referred to as the "Gateway to the Air Force," graduating about 39,000 Airmen annually. Basic military training is one of the missions of the 37th Training Wing, the largest training wing in the United States Air Force. (U.S. Air Force photo by Sarayuth Pinthong)