9/21/2012 - Airman 1st Class Jeff Wilson, a B-52 Stratofortress crew chief assigned to the 307th Aircraft Maintenance Squadron, checks to ensure it is safe for maintenance personnel get on a jet at Barksdale Air Force Base, La., Sept. 13, 2012. Wilson was participating in the crew chief Aircraft Preflight Inspection competition as part of the 2012 annual Global Strike Challenge at Barksdale. (U.S. Air Force photo by Master Sgt. Jeff Walston)

9/21/2012 - Airman 1st Class Jeff Wilson, a B-52 Stratofortress crew chief assigned to the 307th Aircraft Maintenance Squadron, explains the process of making an ejection seat safe for maintenance to Master Sgt. Wesley Clark, 8th Air Force, evaluator, in the cockpit of a B-52 Stratofortress on Barksdale Air Force Base, La., Sept. 13, 2012. Wilson was participating in the crew chief Aircraft Preflight Inspection competition as part of the 2012 annual Global Strike Challenge at Barksdale. (U.S. Air Force photo by Master Sgt. Jeff Walston)

9/21/2012 - Staff Sgt. Mark Lindsay, a B-52 Stratofortress crew chief assigned to the 307th Aircraft Maintenance Squadron, checks operation instructions as the flaps are lowered on a jet at Barksdale Air Force Base, La., Sept. 13, 2012. Lindsay was participating in the crew chief Aircraft Preflight Inspection competition as part of the 2012 annual Global Strike Challenge at Barksdale. (U.S. Air Force photo by Master Sgt. Jeff Walston)

9/21/2012 - Senior Airman Tyshaun Owens, a weapons loader assigned to the 307th Maintenance Squadron, presets a bomb rack before a weapons load at Barksdale Air Force Base, La., Sept. 13, 2012. Owens was participating in the weapons loading portion of the 2012 annual Global Strike Challenge at Barksdale. (U.S. Air Force photo by Master Sgt. Jeff Walston)

9/21/2012 - Staff Sgt. Robert Sowell, a weapons loader assigned to the 307th Maintenance Squadron, checks a load of GB U-31 bombs for discrepancies and serviceability at Barksdale Air Force Base, La., Sept. 13, 2012. Sowell was participating in the weapons loading portion of the 2012 annual Global Strike Challenge at Barksdale. (U.S. Air Force photo by Master Sgt. Jeff Walston)

9/21/2012 - Senior Airman Tyshaun Owens, a weapons loader assigned to the 307th Maintenance Squadron, checks a bomb rack on a B-52 Stratofortress for stray voltage before a weapons load at Barksdale Air Force Base, La., Sept. 13, 2012. Owens was participating in the weapons loading portion of the 2012 annual Global Strike Challenge at Barksdale. (U.S. Air Force photo by Master Sgt. Jeff Walston)

9/21/2012 - Senior Airman Coreyaunte Hayes, a weapons loader assigned to the 307th Maintenance Squadron, loads an impulse cartridge into a bomb rack during a weapons load at Barksdale Air Force Base, La., Sept. 13, 2012. Hayes was participating in the weapons loading portion of the 2012 annual Global Strike Challenge at Barksdale. (U.S. Air Force photo by Master Sgt. Jeff Walston)

9/21/2012 - Senior Airman Coreyaunte Hayes guides Senior Airman Tyshaun Owens as they load a GB U-31 bomb onto a B-52 Stratofortress at Barksdale Air Force Base, La., Sept. 13, 2012. Both Airmen are weapons loaders assigned to the 307th Maintenance Squadron. They were participating in the weapons loading portion of the 2012 annual Global Strike Challenge at Barksdale. (U.S. Air Force photo by Master Sgt. Jeff Walston)

9/21/2012 - Senior Airman Coreyaunte Hayes, a weapons loader assigned to the 307th Maintenance Squadron, guides a GB U-31 bomb during a weapons load at Barksdale Air Force Base, La., Sept. 13, 2012. Hayes was participating in the weapons loading portion of the 2012 annual Global Strike Challenge at Barksdale. (U.S. Air Force photo by Master Sgt. Jeff Walston)

9/21/2012 - Tech. Sgt. Matteo Gerrits guides Senior Airman Tyshaun Owens into place during a weapons load competition at Barksdale Air Force Base, La., Sept. 13, 2012. Gerrits and Owens were part of a team participating in the weapons loading portion of the 2012 annual Global Strike Challenge at Barksdale. Both Airmen are weapons loaders assigned to the 307th Maintenance Squadron. (U.S. Air Force photo by Master Sgt. Jeff Walston)