John McCain: “Dr. Carter, there appears to be some concern or confusion surrounding what you intend on fixed-price contracting.”

The United States faces a new strategic reality in Europe. The first step in addressing it is to recognize the scope, scale, and seriousness of the challenges Russia presents to our national security and to the international order.

The Department of Energy's defense atomic energy programs are critically important to our national security.

is the F-22 considered a high end asset by the Air Force?

I'm the luckiest guy on earth. I have served America's cause, the cause of our security and the security of our friends, the cause of freedom and equal justice all my adult life.