Apollo (spacecraft) | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-26

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Apollo_(spacecraft)


00:01:49 1 Command and service module
00:02:16 1.1 Command module (CM)
00:03:00 1.2 Service module (SM)
00:04:10 2 Lunar module (LM)
00:05:37 3 Spacecraft–lunar module adapter (SLA)
00:08:50 3.1 Specifications
00:09:29 4 Launch escape system (LES)
00:11:09 4.1 Major components
00:14:16 4.2 Specifications
00:15:02 4.3 Abort tests
00:15:30 5 Current locations of spacecraft



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SUMMARY
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The Apollo spacecraft was composed of three parts designed to accomplish the American Apollo program's goal of landing astronauts on the Moon by the end of the 1960s and returning them safely to Earth.  The expendable (single-use) spacecraft consisted of a combined command and service module (CSM) and a lunar module (LM). Two additional components complemented the spacecraft stack for space vehicle assembly: a spacecraft–LM adapter (SLA) designed to shield the LM from the aerodynamic stress of launch and to connect the CSM to the Saturn launch vehicle; and a launch escape system (LES) to carry the crew in the command module safely away from the launch vehicle in the event of a launch emergency.
The design was based on the lunar orbit rendezvous approach: two docked spacecraft were sent to the Moon and went into lunar orbit. While the LM separated and landed, the CSM remained in orbit. After the lunar excursion, the two craft rendezvoused and docked in lunar orbit, and the CSM returned the crew to Earth. The command module was the only part of the space vehicle that returned with the crew to the Earth's surface.
The LES was jettisoned during launch upon reaching the point where it was no longer needed, and the SLA remained attached to the launch vehicle's upper stage. Two unmanned CSM's, one unmanned LM and one manned CSM were carried into space by Saturn IB launch vehicles for low Earth orbit Apollo missions. Larger Saturn Vs launched two unmanned CSM's on high Earth orbit test flights, the CSM on one manned lunar mission, the complete spacecraft on one manned low Earth orbit mission and eight manned lunar missions. After conclusion of the Apollo program, four CSM's were launched on Saturn IBs for three Skylab Earth orbital missions and the Apollo-Soyuz Test Project.