John McCain: “General McDew, did TRANSCOM's wargame involve potential attrition of mobility forces? If yes, what were the results and…”

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.

I'm eager to learn how Cyber Command is responding to this legislation.

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.