The Next Fifty Years in Space

AEROJET aerospace industry Air Force aircraft algae areas astronauts atmosphere atomic base beryllium billion booster Braun capability chemical rockets components cooperation decades devices Earth electrical electronic energy environment equipment expected ferry field fuel fusion rocket future guidance heat hydrogen ICBM increase interplanetary laboratory landing launch liquid liquid rocket lunar materials ment miles military space missile Moon Moon's NASA nozzle nuclear fission nuclear rocket operation orbit outer space oxygen payload percent performance photonic planets possible problems production propellant propulsion system radiation radio reactor reentry require rocket engines ROCKETDYNE Russians satellites says scientific scientists ships solar system Soviet Space Age space flight space program space research space station space systems space travel space vehicles spacecraft spaceship specific impulse Sputnik stage temperature thrust thrust vector tion United unmanned vacuum velocity water plasma weapons weather Wernher von Braun