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Was the Launch Entry Suit, the pumpkin suit, the first time any space agency used the color International Orange in anything intended to go into space?

From International orange; Astronautics:

The Advanced Crew Escape Suits pressure suits worn by NASA astronauts and the previous Launch Entry Suit use this color,4,5 as opposed to the lighter tone of safety orange used by the United States Air Force's high-altitude suits. This was also planned for the new Constellation Space Suit systems that were to be flight-ready by 2015.

4Why Are Astronauts' Spacesuits Orange?

5NASA - The Spacesuit. Archived from the original on 2010-05-20.

enter image description here Source click for full size.

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    $\begingroup$ Is "international orange" the intent of those suits? Or is it visibility in possible low visibility scenarios? I think most color choices are functional. $\endgroup$ – Magic Octopus Urn Sep 14 at 2:26
  • $\begingroup$ I've added some links, feel fee to roll back if you think it's too cluttered. $\endgroup$ – uhoh Sep 14 at 4:00
  • $\begingroup$ Related, not duplicates: space.stackexchange.com/q/31982/26446 and space.stackexchange.com/q/87/26446 $\endgroup$ – DrSheldon Sep 14 at 7:30
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    $\begingroup$ The Wikipedia article does not explain what's supposed to be "international" about the color. In fact it seems to me to be entirely made up -- none of the references it provides support that name in particular. $\endgroup$ – Henning Makholm Sep 14 at 13:30
  • $\begingroup$ @MagicOctopusUrn Notably, the so called "black boxes" on aircraft, despite the name, are also that color for the same reason. $\endgroup$ – Darrel Hoffman Sep 14 at 18:01
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Yuri Gagarin wore the first space suit in 1961, the SK-1. It was orange.

SK-1 spacesuit

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No, it was not. The Apollo parachutes had orange gores.

enter image description here Image source: https://www.history.com/news/moon-landing-technology-inventions-computers-heat-shield-rovers

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