An F-35 Joint Strike Fighter taxis past the Lockheed Martin Marietta Plant, which shares a runway with Dobbins Air Reserve Base, Ga. Nov. 13 during a cross-country flight. The F-35 is a stealthy, single-engine, supersonic multi-role fighter that will replace a variety of aging fighter and strike aircraft for the Air Force, Navy, Marine Corps and allied defense forces. The F-35 is built by the Lockheed Martin plant in Fort Worth, Texas. (U.S. Air Force photo/Don Peek)