Jubilant graduates from a recent class of the Holm Center Officer Training School throw their caps into the air. Today OTS begins a three-day celebration of its 50th anniversary. A retreat ceremony honoring alumni who were killed or missing in action takes place today at 4 p.m. and a 5K run takes place Saturday at 7 a.m. The run is open to valid military ID holders and their dependents; a golf tournament follows at 8 a.m. at the Maxwell courses. (Air Force photo by Bennett Rock)