Check engine
Col Tony Johnson, 442nd Fighter Wing vice commander, checks the left engine on an A-10 Thunderbolt II after landing it at Salina Municipal Airport, Salina, Kan., Aug. 16, 2007. The 442nd Fighter Wing is an Air Force Reserve unit based at Whiteman Air Force Base, Mo. Many Air Force aircraft utilize the Salina airport for procedural training due to its proximity to the Smoky Hill bombing and gunnery range. (U.S. Air Force photo/Maj. David Kurle)