John McCain: “I would like to thank all of the witnesses.”

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?

As we turn our focus to great power competition and near-peer threats, we must face up to the true nature of the reality of Chinese power and ambition.

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.