Crew chiefs assigned to the 509th Aircraft Maintenance Squadron finish wiping down the inside of a panel of a B-2 Spirit during a wash at Whiteman Air Force Base, Mo., April 10, 2018. Each square inch of the B-2 is carefully inspected while a wash is being conducted to ensure the aircraft is mission ready once it is completely cleaned. (U.S. Air Force photo by Staff Sgt. Danielle Quilla)