Preliminary Gemini 4 Crew Debriefing, Part I, 1965

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161
McDivitt
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the view that I received at this time vas what I
would expect on a normal sunny day.
I was cer­
tainly glad to have the visor and I left it down
throughout EVA .
I think on a later flight we
might recommend going ahead and lifting the
visor and observing any changes we might see in
visual acuity when looking down at the ground .
the ground vision through the visor really
didn't seem to me to be degraded at all. Eviden­
tly just the intensity, and not what I was seeing,
was cut down.
Let me comment a little bit on that visor .
I
didn ' t have a visor and the bright sunlight that
was in the cockpit didn't seem to bother me.
imagine that the visor turned out just like a
pair of sunglasses.
You go outside on a normal
d~y and wear a pair of sunglasses . If you
don' t have them, you ' re squinting. But if
you start out without them you tend to get
accustomed to it. I think I was accustomed to
what light there was coming through the space­
craft , admittedly much less than that outside.
F,d was accustomed to the sun visor and it turned
out just like two people with and without
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