John McCain: “Do you believe that any strategy in Afghanistan can be successful while militants continue to enjoy safe haven in…”

As stressed in the newly released National Defense Strategy, Russia and other adversaries have mastered the art of conducting a systematic aggression against the United States.

Six years is still too long.

The National Defense Strategy offers a new framework for thinking about the global challenges we face and that places China squarely at the top of our priority list.

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