U.S. Air Force Airman 1st Class Joshua Aujero,1st Aircraft Maintenance Squadron, 27th Aircraft Maintenance Unit crew chief, cleans the front landing gear of a F-22 Raptor in the wash rack at Joint Base Langley-Eustis, Va., June 19, 2017. After cleaning the landing gears, lubricants are then applied to prevent metal on metal friction, ensuring the safety of the pilot. (U.S. Air Force photo/Staff Sgt. J.D. Strong II)