Add Yahoo as a preferred source to see more of our stories on Google. 0 1353px vvnrpucm84r21 usaf 1 0 The Spitfire was sleek, and the Mustang majestic, but not all aeroplanes of the Second World War ...

Pushing the frontiers of aerospace technology involves imagination and the taking of risks. Many experimental aircraft tested critical new concepts, while many successfully disproved terrible ideas.

The Spitfire was sleek, and the Mustang majestic, but not all aeroplanes of the Second World War were conventionally beautiful. Sometimes due to unique requirements or radical new ideas, aircraft were ...