Staff Sgt. J.C. Hutchins, 62nd Maintenance Squadron aircraft hydraulic systems specialist, places a piston into a part of a C-17 Globemaster III hydraulic brake on Joint Base Lewis-McChord, Wash., Sept. 10, 2020. The brake system on a C-17 must be able to withstand 4,000 pounds per square inch of pressure. (U.S. Air Force photo by Airman 1st Class Mikayla Heineck)