Vanguard satellite launching vehicle is 3-stage rocket of which first two stages are guided and third stage is maintained in fixed orientation while it is firing; system was chosen from number of possible 2 and 3-stage vehicle combinations; it represents smallest satellite launching vehicle consistent with present state of rocket development.
Placing satellite in its orbit
J Astronautics
Journal of Astronautics ; 3 , n 3-4
1956
Article (Journal)
English
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A Method of Placing a Spacecraft on High Orbit
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