There are a handful of other documents you can produce that will allow you to board domestic flights in the U.S.

As the enforcement of the federal Real ID law went into effect Wednesday, many travelers were let off with a warning about their noncompliant cards.

The U.S. government is now enforcing the use of REAL ID, which requires users to have federally compliant identification to board flights, among other uses. The REAL ID is a product of the Real ID