lunar excursion module

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lunar excursion module

n. Abbr. LEM

A spacecraft designed to transport astronauts from a command module orbiting the moon to the lunar surface and back. Also called lunar module.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Noun

lunar excursion module - a spacecraft that carries astronauts from the command module to the surface of the moon and back

LEM, lunar module

ballistic capsule, space vehicle, spacecraft - a craft capable of traveling in outer space; technically, a satellite around the sun

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From a prototype capacitive discharge ignition system (in 1963!) that brought him to the attention of Bendix, to the rocket igniter he designed for the Lunar Excursion Module, to a concept for a one million-Watt laser for the Strategic Defense Initiative (among others), Kasrner-a confessed "gear head" with a degree in physics-has been busy inventing.

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He gazed down at the plaque on the spider-legged lunar excursion module, which, like the rover, would be left behind: "Here Man completed his first exploration of the Moon/December 1972 A.D./May the spirit of peace in which we came be reflected in the lives of all mankind." Cernan boarded the Command Service Module and, with fellow astronaut Harrison Schmitt, lifted off to begin the journey home.