Staff Sgt. Bret Gratien, 436th Maintenance Squadron aircraft hydraulic section noncommissioned officer in charge, removes cleaning compound from the leading edge of the right wing on a McDonnell Douglas VC-9C Aug. 25, 2020, at Air Mobility Command Museum on Dover Air Force Base, Delaware. Gratien, along with other members of the hydraulic section, volunteered to strip, clean and polish the shiny aluminum skin of the aircraft formerly designated as Air Force Two. (U.S. Air Force photo by Roland Balik)