John McCain: “I think you used the term 'Boston Strong.'”

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.

The Air Force has opted to cancel the JSTARS Recapitalization program and pursue an Advanced Battle Management System (ABMS).

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

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.