A dedicated crew chief marshals a B-2 Spirit after landing at Whiteman Air Force Base, Mo., July 10, 2015. Three B-2 Spirits flew with an incentive flier and a pilot. The B-2 Spirit incentive flight consisted of a simulated munitions drop as well as an in-flight refueling. (U.S. Air Force photo by Senior Airman Joel Pfiester/Released)