Barack Obama: “I have directed this deployment, which is in the national security and foreign policy interests of the United States.”

The success of this experiment was never a given.

It's a way to honor her trailblazing leadership, and inspire visitors to follow in her footsteps.

Every president here today, as different as we are, has tried our best to uphold the values that John McCain and Mitt Romney believed in no less than I did.

A belief that our military and law enforcement owe allegiance not to any president or political party, but to the people and our constitution … a belief in the peaceful transfer of power