Beale EOD training

Tech. Sgt. Leonard Livas (left) and Staff Sgt. Daniel Johnsen, 9th Civil Engineer Squadron explosive ordnance disposal technicians, shape C4 explosives during a training scenario at the EOD range on Beale Air Force Base, Calif., Dec. 19, 2012. EOD Airmen train with different types of explosives to simulate what they may encounter in the field. (U.S. Air Force photo by Staff Sgt. Robert M. Trujillo/Released)

Beale EOD training

Staff Sgt. Daniel Johnsen, 9th Civil Engineer Squadron explosive ordnance disposal technician, uses a knife to form a block of C4 explosive during a training scenario at the EOD range on Beale Air Force Base, Calif., Dec. 19, 2012. EOD Airmen train with different types of explosives to simulate what they may encounter in the field. (U.S. Air Force photo by Staff Sgt. Robert M. Trujillo/Released)

RQ-4 Global Hawk maintenance

Airman 1st Class Tylher Whaley, 9th Aircraft Maintenance Squadron crew chief, replaces tools after completing maintenance on an Air Force RQ-4 Global Hawk intelligence, surveillance and reconnaissance aircraft Dec. 19, 2012, at Beale Air Force Base, Calif. Every tool must be accounted for after completing each maintenance task. (U.S. Air Force photo by Senior Airman Shawn Nickel/Released)

RQ-4 Global Hawk maintenance

Senior Airman Shane Robison, 9th Aircraft Maintenance Squadron crew chief, checks the work of Airman 1st Class Tylher Whaley as she illuminates the interior of an Air Force RQ-4 Global Hawk intelligence, surveillance and reconnaissance aircraft Dec. 19, 2012, at Beale Air Force Base, Calif. Crew chiefs re-assembled the aircraft after it underwent maintenance. (U.S. Air Force photo by Senior Airman Shawn Nickel/Released)

RQ-4 Global Hawk maintenance

Airman 1st Class Joshua Wieringa, 9th Aircraft Maintenance Squadron crew chief, adjusts the forward nacelle air intake on an Air Force RQ-4 Global Hawk intelligence, surveillance and reconnaissance aircraft Dec. 19, 2012, at Beale Air Force Base, Calif. (U.S. Air Force photo by Senior Airman Shawn Nickel/Released)

RQ-4 Global Hawk maintenance

Airmen from the 9th Aircraft Maintenance Squadron place the forward nacelle air intake on an Air Force RQ-4 Global Hawk intelligence, surveillance and reconnaissance aircraft Dec. 19, 2012, at Beale Air Force Base, Calif. The part was repaired off the aircraft to ensure no dust or debris damaged internal parts. (U.S. Air Force photo by Senior Airman Shawn Nickel/Released)