Federation of American Scientists fact sheets.

Focuses on U.S. Naval aviation. Photos, information about carrier battle groups and carrier air wings, patches and insignia, and articles.

Military aviation website by Niels Hillebrand. Aircraft and airforce directories with information, specifications, history, picture galleries, and related links.

Fact sheets and photos of U.S. warplanes, including currently operational, developmental, and retired.

Aviation site with articles and photographs of all kinds of military aircraft from various air forces around the world.

Providing information, pictures, and photographs of the world's military aircraft.

Aircraft photo collection, museum guide, serial numbers, registration numbers (N-Numbers), tail codes, aircraft manufacturer codes, US military aircraft designations, Airshow Calendar.

Offers information and photographs, and interactive games, tests.

This site is committed to providing well researched articles on post-war military aviation.

Explanations and listings of designations used by the US armed services for aviation related equipment.