Vintage military aircraft: A-10 Thunderbolt "Warthog" purpose is to supply close air support for ground troops. Its 2 turbofan engines each provide 9,000 lb of thrust. Its speed is 420 mpg (Mach 0.56), its ceiling is 45,000 ft, and its range is 800 mi. Its crew is one, the pilot. Thunder Over Michigan, Yankee Air Force, Willow Run Airport, Ypsilanti, Michigan, August 2005.