The General Dynamics' F-111 Aardvark, also known as "Pig," is one of the most effective military jets ever created. The F-111 was retired by the U.S. Air Force in 1998. The F-111 was created in ...

The benefit of the sweep-wing is that the aircraft can take on a different shape, and hence different flight characteristics, mid-flight. Should the F-111 need to generate lift and/or drag ...