Assertion: new spacecraft | /r/HasProperty | the lunar excursion module
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text: The final choice of lunar orbit rendezvous changed the CSM's role to the translunar ferry used to transport the crew, along with a new spacecraft, the Lunar Excursion Module (LEM, later shortened to Lunar Module, LM, but still pronounced "lem") which would take two men to the lunar surface and return them to the CSM.