The Spirit of Santa Monica

Between 1920 and 1975, Donald Douglas’ company—and a southern California city—helped shape aviation history.

(Courtesy Bill Wasserzieher)

X-3 Stiletto

(Courtesy Bill Wasserzieher)

The purpose of the Douglas X-3 Stiletto was to advance supersonic flight, but the aircraft was underpowered with its Westinghouse J-34 engine. Learn more about the X-3 and other X-planes, and watch video of its test flight here.

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