U.S. Chief Justice Warren E. Burger administers the Oath of Office to U.S. President Ronald Reagan on January 20, 1981.

The transcript outlines the oath of office for the President of the United States, emphasizing the commitment to faithfully execute presidential duties, preserve, protect, and defend the Constitution, and concludes with a congratulatory note.

What is the primary duty that the President of the United States swears to execute?

In the oath, what does the President commit to doing to the best of their ability?

What does the President pledge to preserve, protect, and defend?

What document does the President vow to defend?

What phrase is used to conclude the presidential oath?