The Air Force chose the Thunderjet. After looking long & hard at all the new models, the airmen decided that the standard U.S. fighter plane for 1948 would be Republic's P-84. Surnamed the Thunderjet, the P84 is probably the world's fastest fighter in tactical service.* Combat-loaded, the Thunderjet's speed is more than 600 m.p.h. Its sound in flight is an ear-cracking whoosh.

In firing tests, its six new .50 caliber M-3 guns pumped out lead 50% faster than the standard M-2 guns of World War II. The problem of firing high-powered machine-guns at...

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