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Members of the Project VANGUARD Staff meet with Dr. John P. Hagen, Director of Project Vanguard at the U.S. Naval Research Laboratory, Washington, D.C. Left to right: Dr. J.W. Siry, Head of Theory and Analysis Branch; Mr. D.G. Mazur, Manager of the Vanguard Operations Group, PAFB, Florida; Mr. J.M. Bridger, Head of the Vehicle Brance; Cdr. W.E.Berg, Navy Program Officer; Dr. Hagen; Mr. J. P. Walsh, Deputy Project Director; Mr. M.W. Rosen, Technical Director; Mr. J. T. Mengel. Head of Tracking and Guidance Branch and Dr. H. E. Newell, Jr., Science Program Coordinator. |
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VANGUARD: In the Vanguard program completed in 1959, a series of 14 were tested. Seven were launchers designed to place a scientific earth satellite into orbit as part of the U.S. contribution to the International Geophysical Year. Other vehicles were fired as proof-test units without upper stages. |
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Vanguard on launch pad (TV-3) Dec. 6, 1957. |
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Test of Vanguard Launch Vehicle for U.S. - IGY Earth Satellites Program to place earth satellite in earth orbit to determine atmospheric density and conduct geodetic measurements. Malfunction in first stage caused vehicle to lose thrust after two seconds. Vehicle was destroyed. |
