56th Maintenance Group
U.S. Air Force Airman 1st Class Elie Madrid, 61st Aircraft Maintenance Unit F-35 Lightning II crew chief, checks the canopy of an F-35A, August 8, 2022, at Luke Air Force Base, Arizona. Aircraft maintainers perform pre, post and between-flight safety and function checks, including triple-checking fluid levels, landing gear and flight control functionality, and running diagnostics on the electrical systems. (U.S. Air Force photo by Airman Mason Hargrove)