Senior Airman Ruben Labrador (left), 18th Aircraft Maintenance Squadron, and Staff Sgt. Martin Ramirez, 18th Equipment Maintenance Squadron, use a fiber optic video scope to look inside inaccessible places in the F-15. As maintenance members continue inspections as part of a fleet-wide F-15 stand-down. (U.S. Air Force photo/Senior Airman Darnell Cannady)