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... reentry-coverage flotilla, back to the U.S. Navy for navigation and ocean survey work. Vanguard, built by General Dynamics Corp.'s Quincy, Mass., shipyards and commissioned Oct. 15, 1966, had been the last of three identical ships (Mercury, Redstone, Vanguard) specifically designed for and dedicated to manned spaceflight support. The ships had demonstrated their versatility ...

... . Jim Blue, Lewis scientist, attributed the "voice change" to a structural change inside Vanguard's quartz crystal. VANGUARD I , launched March 17, 1958, first noted the earth's pear shape, ''(LRC Release ...

... orbits, including the slight pear-shape of the Earth and the effect of solar pressure. Vanguard also provided the second stage for the Able, Delta, and Able-Star, as well as ...

... .S.- International Geophysical year IGY satellite, successfully injected into orbit, marking the end of Vanguard launching activities. VANGUARD III provided comprehensive survey of magnetic field, lower edge of radiation belts, and accurate ...

... WSMR carrying MSC experiment to study uv spectra. Rocket and instruments functioned satisfactorily. ''(SR list)'' Vanguard satellite whose launch had been attempted Dec. 6, 1957, was presented to National Air and ... U.S. IGY satellite program. Spherical payload of Test Vehicle 3 (TV-3), first complete Vanguard launch vehicle with three live stages, had been thrown clear when vehicle exploded on pad ...

... ., for Mar Del Plata, Argentina, to support Skylab mis­sions scheduled to begin in May. Vanguard would be a link in NASA's worldwide tracking network relaying two-way information between ... mission control at Johnson Space Center in Houston via Goddard Space Flight Center . En route Vanguard would record tracking data for the Pioneer G launch scheduled for April 5. ''(GFSC Release ...

... considerable importance to governments and to resource industries. Stehling remained in Princeton until 1956. Project Vanguard In 1956 Stehling became propulsion engineer at the Navy Research Laboratory on the American artificial satellite program which later became known as Project Vanguard. He wrote of his experiences in the 1961 titled "Project vanguard". Image:KRStehling_1959.jpg 200px '''Kurt Richard Stehling (ca. 1959 ...

... activation of U.S. tracking network to track EXPLORER I : at the time, network included Vanguard ’s Mini track stations located primarily in Western Hemisphere. Since that time, other networks were ... Rusk , NASA Administrator James E. Webb , and Astronaut Walter M. Schirra , Jr. Radio transmissions from VANGUARD I , second US. satellite and oldest U.S. satellite still transmitting, were heard during tour ...

Fifth anniversary of orbiting of VANGUARD I , Still orbiting the earth and still transmitting data. The satellite had made more than ... 134 min., 27 sec. period. Present apogee: 2,447 mi. ; perigee 403 mi. Scientists estimated VANGUARD I might have a lifetime of 2,000 years. ''(DOD Release 365-63)'' NASA announced ...

... program is to provide for additional payload in the Surveyor investigations. . . ." ''(Testimony)'' Sixth anniversary of VANGUARD I satellite, launched into orbit Mar. 17, 1958. The satellite's stability of orbit had provided geodetic observations, including the determination that the earth is slightly pear-shaped. VANGUARD I was the only satellite orbited before 1959 that was still transmitting. ''(A&A/1915 ...

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