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The holes are how I know they must not be the same as the operational version. 38:58

likely-Orion-Capsule-Survival-System (OCSS) on an astronaut in training. the inner visor, open, has roughly mouth-sized holes, symmetric, left and right

same, with the inner visor closed

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    $\begingroup$ Time stamp please. No one wants to watch the whole thing to see what you are talking about. A screen shot would be even better. $\endgroup$ Commented Jul 30, 2025 at 23:46
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    $\begingroup$ @OrganicMarble I don't think it's even in the video, just the thumbnail (on the left, hard to tell) $\endgroup$ Commented Jul 31, 2025 at 0:11
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    $\begingroup$ Gee, do you think the flight versions might need to be air tight? :-) $\endgroup$ Commented Jul 31, 2025 at 2:08
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    $\begingroup$ @JohnHoltz the question as posed is distinct from "why doesn't the flight version have holes" $\endgroup$ Commented Jul 31, 2025 at 2:24
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    $\begingroup$ @OrganicMarble I'm also wary of the question (and opened a meta question about why) but I don't think it's obvious why a perforated visor better-addresses the training scenarios than just not closing the visor, not closing it all the way, not closing it for long, etc. The outer visor is also obviously distinct from the dark outer sun visor of the flight OCSS; I suspect but am not sure that both are made of materials that better-tolerate wear and tear, for ongoing training purposes. $\endgroup$ Commented Jul 31, 2025 at 3:07

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