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Robert M. Salter : ウィキペディア英語版 | Robert M. Salter Robert M. Salter Jr. was an American engineer who worked for the RAND Corporation. He was one of the first to study the possibility of using a satellite to collect information. During the 1970s, he advocated the vactrain high-speed transit concept. He also published papers on energy storage for the space program. Salter died in May 2011. == See also ==
*Preliminary Design of an Experimental World-Circling Spaceship
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