Airmen at Ellsworth Air Force Base, S.D., congratulate Lt. Col. Timothy Schepper, 28th Operations Group senior evaluator, on being the first person to achieve 5,000 hours flying B-1 bombers, July 15, 2013. Schepper reached the milestone during a 19 – hour mission that originated in Southwest Asia. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)