hydrogen-fueled: 3, p. 225; 7-II, p. 279; 9, p. 79; 10, p. 177; 13, p. 123.

See also

Rocket engines, Space shuttle.

nuclear: 12, p. 109.

propellant research: 6, p. 103; 8, p. 273; 15, p. 201.

See also

Rocket engines, hydrogen-fueled.

Space shuttle: 13, p. 69.

Thor, Delta: 13. p. 39.

Titan: 13, p. 19.

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