Sky Corner: Virtual Aviation ReferenceRussian aviation reference website. Good source for pictures and specifications on almost all military aircraft and variants since World War II. One of my favourites, specially for Russian aircraft pictures! Russian version also provides information on weapons, engines, aces and more.
Joe Baugher's HomepageJoe Baughers personal site containing his extensive articles on many old and new military aircraft types from the USA. Also available are his tables of US Air Force, US Navy, and US Coast Guard aircraft serial numbers and excellent guides to the US designation systems.
http://www.joebaugher.com/ - report broken - 119 hits since 8 Mar 2009
X PlanesDatasheets, galleries, great air-to-air pictures, information and pictures of eXperimental aircrafts, special on RAF Valley and its BAe Hawks and the V bombers. Recommended if you are looking for info and pics of RAF aircraft and/or X planes.
http://www.drivearchive.co.uk/xplanes/ - report broken - 125 hits since 8 Mar 2009