John McCain: “But I would say roughly you need another 20,000 troops in Iraq.”

does flying Presidential protection missions increase readiness for the high-end fight?

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.

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.

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