U.S. Air Force Col. Thomas Coakley, 17th Training Group commander, accepts the guidon from Lt. Col. Scott Cline, outgoing 312th Training Squadron commander, during the change of command ceremony at the Louis F. Garland Department of Defense Fire Academy High Bay on Goodfellow Air Force Base, Texas, June 19, 2019. The 312th trains fire emergency services and scientific applications specialists who will work on all seven continents. (U.S. Air Force photo by Airman 1st Class Zachary Chapman/Released)