Airman at Work: Maintainers keep flying safe
Air Force Reserve Senior Airman Matt Tyrell, 910th Maintenance Squadron crew chief, removes a panel to check oil levels in the propeller of a C-130H Hercules aircraft here, May 3, 2015. This is one of many inspections to make sure the aircraft is fully mission capable. (U.S. Air Force photo/Senior Airman Rachel Kocin)