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590918-N-NO204-0010.JPG Photo By: U.S. Navy/NASA

WASHINGTON - Vanguard III was launched September 18, 1959 from the Eastern Test Range of the Atlantic Missile Range at Cape Canaveral using a Vanguard TV-4BU (Test Vehicle-Four BackUp) rocket. This was the last of the seven launch vehicles built under the auspices of the U.S. Navy for the International Geophysical Year (IGY), as NASA decided not to commission more launches, Project Vanguard came to an official end shortly after this flight. Launched into orbit was a fully instrumented 52-lb "magnetometer, x-ray, and environmental" satellite. This payload combined the scientific objectives of the TV-5 and SLV-5 satellites. (NASA/NRL)


This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit.

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