You must present an acceptable ID, such as a valid passport, state-issued enhanced driver's license or U.S. military ID, to fly within the U.S. You will not be allowed to fly if your identity cannot be verified. Source: Google.
There kind of the same thing only one permits you to operate a vehicle
Depending on what kind of Drivers license
Just license :) I don't know about international, but within the states it's fine!
Drivers license still works!
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