NPR: National Public Radio
Npr: Evolution of Military Aviation
An interactive timeline lets you see examples of military aircraft that have evolved since the first flight of the Wright brothers. Links at the bottom of the page lead to articles about fighter pilots.
Other
The Spitfire Emporium: The Machines
A collection of images of vintage aircraft. A few detailed histories are provided.
Other
Dave's Warbirds: American Aircraft of World War Ii
This site from Dave's Warbirds has pictures and information about virtually every American aircraft used in WWII. Look up aircraft by manufacturer, type/function or name.
University of Houston
University of Houston: Engines of Our Ingenuity: No. 1418: The Influence of War
Does war inevitably advance the invention of new technology? Read this explanation of why this commonly held belief may not be true, at least in the example of military aircraft. This is a transcript of a radio broadcast.
Other
Wilkinson Family: Breaking the Sound Barrier
This resource provides pictures and other information to show just what breaking the sound barrier means.