War Birds - Osprey Colour Author:Mike Jerram What is a war bird? There is no positive definition, but broadly speaking the term is applied to aircraft which served in WWII or in the immediate post-war period, including the Korean War. In Warbirds you will find some aircraft which stretch that definition a little, others which played supporting roles in battle but had neither the weaponry n... more »or stamina to act as aggressors.« less