U.S. Air Force Tech. Sgt. Yolanda Davis, 192nd Maintenance Squadron low observerable structural maintenance craftsman, sands a U.S. Air Force F-22 Raptor at Joint Base Langley-Eustis, Va., Feb.14, 2017. Low observable maintainers are responsible for repairing, modifying and fabricating stealth components of the F-22. (U.S. Air Force photo/Senior Airman Areca T. Bell)