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Bruce Murray Space Image Library

First rocket motor test in the Arroyo Seco, 1936

First rocket motor test in the Arroyo Seco, 1936
First rocket motor test in the Arroyo Seco, 1936 Members of the Caltech rocketry group prepare a rocket motor test in the Arroyo Seco near Pasadena on Oct. 31, 1936. The test is considered the founding moment of what became NASA’s Jet Propulsion Laboratory. NASA/JPL-Caltech