Maj. Gen. Bob LaBrutta, 2nd Air Force commander; Col. Michele Edmondson, outgoing 81st Training Wing commander, and Col. Debra Lovette, 81st TRW commander, sing the Air Force song during a change of command ceremony at the Bay Breeze Event Center June 2, 2017, on Keesler Air Force Base, Miss. The guidon ceremony is a symbol of command being exchanged from one commander to the next by the handing-off of a ceremonial guidon. (U.S. Air Force photo by Kemberly Groue)