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Its true beauty was that it worked

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Its true beauty was that it worked

A letter of thanks from Neil Armstrong

Shaun Usher
Jul 14, 2023
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Its true beauty was that it worked

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Buzz Aldrin on the Moon, wearing the A7L Spacesuit. Photo by Neil Armstrong, via NASA.

As he exited the Apollo Lunar Module on July 20th of 1969, ready to set foot on the Moon, Neil Armstrong’s immediate safety was in the hands of an incredible feat of engineering that is often overlooked: his A7L Spacesuit and backpack. Built at Lyndon B. Johnson Space Center by ILC Dover and Hamilton Standard, respectively, this early Extravehicular Mobility Unit (EMU) was required to provide, amongst other things, the following: a safe internal pressure; breathable oxygen; a regulated temperature; shielding from radiation; protection from micrometeorites, and a communications system. In addition, the suit’s eleven layers needed to provide ample levels of comfort and mobility so as to make it usable. On this day in 1994, to mark the 25th anniversary of the Moon landing, Armstrong wrote to the “EMU gang” and thanked them for their highly important work on what he called his “spacecraft.”



July 14, 1994

The EMU gang at
Johnson Space Center
Houston, TX 77058

To the EMU gang:

I remember noting a quarter century or so ago that an emu was a 6 foot Australian flightless bird. I thought that got most of it right.

It turned out to be one of the most widely photographed spacecraft in history. That was no doubt due to the fact that it was so photogenic. Equally responsible for its success was its characteristic of hiding from view its ugly occupant.

Its true beauty, however, was that it worked. It was tough, reliable and almost cuddly.

To all of you who made it all that it was, I send a quarter century's worth of thanks and congratulations.

Sincerely, 
Neil A. Armstrong


Read more about the spacesuit at Wikipedia.


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Its true beauty was that it worked

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Sue Cauhape
Writes Ring Around the Basin
Jul 14

Love this and will share it with some astrophotographers in SLC for their Utah Astronomy Club discussions. Also got a kick out of Armstrong's reply to a conspiracy theorist.

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Joaquin Roibal
Writes Find Meaning in Adversity
Aug 23

I always thought that the space suit looked pretty good, but after hearing a bit more about the requirements and what Neil Armstrong says about the "EMU", I've gained a new appreciation for it.

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