What do naturalized US citizens swear to do for their new country?

Naturalized U.S. citizens take an oath of allegiance, in which they pledge to support and defend the Constitution and laws of the United States against all enemies, foreign and domestic. They also promise to bear arms on behalf of the U.S. when required by law and to perform non-combatant service in the Armed Forces if needed. Additionally, they commit to renouncing allegiance to any foreign sovereignty and to faithfully discharge the duties of citizenship.