John McCain: “The Russians would like to constrain the U.S. activities in missile defense.”

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.

Major General Robinson, what more is needed from Congress, in terms of authorities or otherwise?

A North Korean missile with a nuclear payload capable of striking the United States Homeland is no longer a distant hypothetical--it is an imminent danger.