315th Training Squadron welcomes new commander
U.S. Air Force Col. Alex Ganster, 17th Training Group Commander, passes the 315th Training Squadron guideon to Lt. Col. Mark Chang, 315th TRS incoming commander, during the 315th TRS Change of Command at the Louis F. Garland Department of Defense Fire Academy High Bay on Goodfellow Air Force Base, Texas, June 1, 2018. As the 315th TRS commander, Chang is responsible for training intelligence, surveillance and reconnaissance professionals for the Air Force and other branches of the military. (U.S. Air Force photo by Staff Sgt. Joshua Edwards/Released)