Tech. Sgt. Matthew Cain, 459th Aircraft Maintenance Squadron crew chief, dusts snow off a generator March 25, 2013 at Joint Base Andrews, Md. Despite the spring snowfall, which is forecasted to bring up to five inches of snow to the area, JBA service members must still perform their mission essential duties. (U.S. Air Force photo/Airman 1st Class Erin O’Shea)