Flight back-up of the Vanguard 1 satellite built by the Naval Research Laboratory. Vanguard 1 was successfully launched on 17 March 1958, after an initial failure the preceding December. This backup satellite was donated to NASM in December 1975 by the former Vanguard Project Director, Dr. John P. Hagen. The satellite has been exhibited at NASM as well as by the U.S. Information Agency (1976) and at the Kansas Cosmophere and Discovery Center (1982-1985).

Display Status

This object is on display in Space Science at the Steven F. Udvar-Hazy Center in Chantilly, VA.

Space Science

Object Details

Country of Origin

United States of America

Type

SPACECRAFT-Uncrewed

Manufacturer

Naval Research Laboratory

Dimensions

Overall: 6 in. wide x 1 ft. deep, 3.3 lb. (15.24 x 30.48cm, 1.5kg)

Materials

Aluminum

Inventory Number

A19761019000

Credit Line

Gift of Dr. John P. Hagen

Data Source

National Air and Space Museum

Restrictions & Rights

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