Lt. Col. David Stimac (right), 28th Aircraft Maintenance Squadron commander, relinquishes command by passing the guidon to Col. Thomas Fitch (left), 28th Maintenance Group commander, during a change of command ceremony, here, June 30. Colonel Stimac will be the 49th Maintenance Group deputy commander at Holloman Air Force Base, N.M. (U.S. Air Force photo/Airman 1st Class Kasey Zickmund)