Senior Master Sgt. Justin Ulmen
U.S. Air Force Senior Master Sgt. Justin Ulmen, 51st Fighter Wing safety superintendent, participates in a bowling competition during the Osan Cup at Osan Air Base, Sept. 28, 2017. This was the 4th Annual Osan Cup and consisted of various events, games, and sports over a two day period.
(U.S. Air Force photo by Airman 1st Class Gwendalyn Smith)