20th Aerospace Medicine Squadron Change of Command
U.S. Air Force Col. Dean Borsos, 20th Medical Group commander, presents the squadron guide-on to Lt. Col. Scott Hartwich at the 20th Aerospace Medicine Squadron change of command, Shaw Air Force Base, S. C. July 28, 2011.The passing of the guide-on is a ceremony to allow the previous commander to hand over his previous responsibilities as commander. (U.S. Air Force photo by Airman 1st Class Ashley Gardner/ Released)