Staff Sgt. Raymond Elmendorf, 28th Munitions Squadron conventional maintenance crew chief, installs the lighting to the munitions assembly conveyer during the Global Strike Challenge at Ellsworth Air Force Base, S.D., Sept. 26, 2014. The conventional maintenance portion of the competition consisted of building a munitions assembly conveyer, bomb building and a munitions handling rodeo. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/Released)