Col. Gregory P. Hayes, 433rd Operations Group commander (left), presents the 733rd Training Squadron guidon to new commander, Lt. Col. Marc Mulkey, during the 733rd TRS Change of Command Ceremony at Joint Base San Antonio-Lackland, Texas, Oct. 16, 2016. Mulkey comes to the 733rd TRS after having served as commander of the 68th Airlift Squadron over the last two years. (U.S. Air Force photo by Tech. Sgt. Lindsey Maurice)