1/18/2013 - SPANGDAHLEM AIR BASE, Germany – U.S. Air Force Senior Airman Craig Fox, 726th Air Mobility Squadron hydraulics technician from Glen Burnie, Md., reads a technical order on his laptop prior to working on a C-17 Globemaster III cargo aircraft Jan. 15, 2013. Maintainers from the 726th prepared the aircraft for a winter storm that hit the base recently. (U.S. Air Force photo by Airman 1st Class Gustavo Castillo/Released)

1/18/2013 - SPANGDAHLEM AIR BASE, Germany – Airmen from the 726th Air Mobility Squadron secure engine covers on a C-17 Globemaster III cargo aircraft Jan. 15, 2013. The covers are secured by six pins and then tightened to reduce the effects of extreme weather conditions on an engine at rest. (U.S. Air Force photo by Airman 1st Class Gustavo Castillo/Released)

1/18/2013 - SPANGDAHLEM AIR BASE, Germany – U.S. Air Force Senior Airman Daryl Treadwell, 726th Air Mobility Squadron integrated flight control systems technician from Austin, Texas, applies an engine cover to a C-17 Globemaster III cargo aircraft Jan. 15, 2013. The four engines are covered to prevent snow from accumulating in the engine inlets. (U.S. Air Force photo by Airman 1st Class Gustavo Castillo/Released)