Pocket sized serialbook "Military Aircraft Serials Review", a great serialbook for spotting "in the field". An On Dutch Wings publication , including European, American and overseas serials.
This is a database of Irish Aviation pictures. If an aircraft is Irish owned or visiting Ireland, or if the photo has an Irish connection you'll find it here.
This site contains a lot of information, pics, and specs on military aircraft, tanks, ships, etc. from around the world. The vast majority of the site is about military aviation.
The history of one USAF bomb squadron during the Korean War. A/B-26s, nose art, strike targets, bent/broken and historical/experimental planes, oral histories, MIAs. Over 500 photos.