A tribute to the Lunar Excursion Model (LEM), that which allowed Buzz Aldrin and Neil Armstrong to take their first, historic steps on the moon. Full slideshow at LIFE.com.

Well, that's the story of LM-13, the Apollo-era Grumman Lunar Excursion Module that never made it to the Moon. Today, LM-13 finds its home inside a museum not quite like any other.

However, a delay in the Lunar Excursion Module to be tested on the Apollo 8 mission caused Slayton to swap backup crews for Apollos 8 and 9, meaning the Apollo 8 backup crew became Neil Armstrong ...

Thieves broke into the Neil Armstrong Air and Space Museum and stole a gold replica of the 1969 Lunar Excursion Module that landed on the moon.

The 12 Lunar Modules that went to the moon cost a total of $2 billion, or almost $17 million apiece. This full-sized replica, from Space Toys, cost just $90,000, making it a bargain.

The availability of the lunar excursion module during transit proved essential to saving the lives of the Apollo 13 crew. The quadruple plan lacks this important safety feature.

The full-scale replica of the craft that landed Neil Armstrong and others on the moon will be unveiled at the museum on Dec. 15.

Thieves made off with a solid gold replica of the first vehicle to land on the moon Friday. Police in Wapakoneta, Ohio, say they found the model of the 1969 Lunar Excursion Module missing from the ...

"The load simulator assembly is used in the Electronic System Integration (ESI) rig at GAEC, in support of the Lunar Excursion Module (LEM). A second load simulator assembly is used at GAEC (plant 14) ...

A rare, solid gold replica of the 1969 Lunar Excursion Module that landed on the moon has been stolen from the Neil Armstrong Air and Space Museum in Wapakoneta, Ohio.

Replicas of the lunar excursion module produced by Cartier were presented to Neil Armstrong and his two fellow astronauts, Buzz Aldrin and Michael Collins, in Paris shortly after their historic ...

A rare gold replica of the lunar space module has been stolen from the Armstrong Air and Space Museum in Wapakoneta, Ohio, police said.