For travel to Kazakhstan it makes sense to show a passport of some kind as they want to know why someone is entering the country. Traveling to Baikonur of course being a legitimate reason to enter the country. There's one aspect of this I don't understand entirely. What if the astronaut travels to the ISS from Baikonur, then used some of form return vehicle that lands in US territory? How would we handle that?

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ceejayoz 3 days ago | parent | next [-]

Probably a bit like this.

https://en.wikipedia.org/wiki/Haskell_Free_Library_and_Opera...

> Until 2025, patrons from Canada were permitted to enter the United States door without needing to report to customs by using a prescribed route through the sidewalk of rue Church (Church Street), provided that they return to Canada immediately upon leaving the building using the same route.

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sidewndr46 3 days ago | parent [-]

it says "most Canadians from entering via the main entrance in March 2025, except for Canadian patrons with a library card" - this is probably the only documented case of a library card being valid for international travel

	▲	9rx 3 days ago \| parent [-]
		Remember when you could travel between USA and Canada with nothing more than a nod? Such a sad state of affairs we've found ourselves in nowadays.

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ahazred8ta 3 days ago | parent | prev [-]

On a couple of occasions, cosmonauts came back from the ISS on the shuttle. A US immigration clerk came to stamp their passport.

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sidewndr46 3 days ago | parent [-]

That'd be really awkward if they were denied a visa and had to go back the way they came.

	▲	gaius_baltar 3 days ago \| parent [-]
		Would CBP pay the travel costs? :)