American X & Y Planes: Vol 2 Experimental Aircraft since 1945

In 1945 the Allies returned home with information from German research concerning jet engines and swept wings. Though the USAAF had already deployed a batch of jet fighters, Lockheed P-80 Shooting Stars, to Italy in 1945, their centrifugal-flow engines had limited scope for development compared with the axial-flow engines used by the Germans.