Topping off the tank
                Airmen First Class Zachary Keeven, crew chief, 932nd Airlift Wing Aircraft Maintenance Squadron, unhooks the tanker pump from a C-40c during an ealy fogging monring at Scott Air Force Base, Illlinois, Sept. 14, 2017. The process of topping of a C-40 tank takes roughly 15 minutes with 1,000 gallons of Jet A fuel. (U.S. Air Force photo by Christopher Parr)
                
                    
                        PHOTO BY:
                        Christopher Parr
                    
                    
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                        170914-F-IB640-220.JPG
                    
                    
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