Is the USMLE re-takeable?

I can't get a straight answer anywhere Is it like the SAT where you can take it as much as you want? Or do you have only one shot at it? I know it has different segments, but I also know there is a test which it you fail, will not be able to graduate with an MD. I'm talking about that test, not the one... show more I can't get a straight answer anywhere
Is it like the SAT where you can take it as much as you want? Or do you have only one shot at it?
I know it has different segments, but I also know there is a test which it you fail, will not be able to graduate with an MD. I'm talking about that test, not the one they use to evaluate you during residency admission

Thank you for your responses
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