U.S. Air Force Senior Airman Brent Whipple, 757th Aircraft

U.S. Air Force Senior Airman Brent Whipple, 757th Aircraft Maintenance Squadron crew chief, marshals out an F-15 Strike Eagle before a training mission during the U.S. Air Force Weapons School mission employment exercise, Dec. 6, 2011, at Nellis Air Force Base, Nev. The mission employment phase is the final part of a two week Weapons School graduate course that showcases the newly acquired skills from the school's students.