Airman 1st Class Aaron Goodloe, 36th Expeditionary Maintenance Squadron crew chief, prepares to launch a B-2 Spirit after an engine-running crew swap March 12 during exercise Polar Lightning. The exercise, flown out of Andersen Air Force Base,Guam, was designed to provide Bomber pilots experience in long-duration missions. B-2 Spirits are deployed here from Whiteman AFB, Mo., as part of a regularly scheduled Air Expeditionary Force rotation to the pacific. (U.S. Air Force photo/Senior Airman Ryan Whitney)