Getting greasy
Senior Airman Austin Ready, 92nd Aerospace Ground Equipment journeyman and Staff Sgt. Brandon Baltis, 92nd AGE craftsman, test the connections and fittings on a power generator cart July 19, 2017, at Fairchild Air Force Base, Washington. Powerful mobile generators are necessary to provide aircraft with enough power to cold-start its engines. (U.S. Air Force photo / Airman 1st Class Ryan Lackey)