The single biggest existential threat that's out there, I think, is cyber.

Every Sailor has the potential to lead," said Mullen, "I don't care if it's a seaman recruit or someone higher ranking than myself. Where there's a will, there's a way.

The truth is, we live in deeds, not days; in actions and thoughts and feelings, not heartbeats.

I'm not a policy and a strategy guy. I'm - you know, the military basically supports what the president wants, the decisions that he makes.

We can't kill our way to victory, and no armed force anywhere - no matter how good - can deliver these keys alone. It requires teamwork and cooperation.

We think we're near energy independence - nothing could be further from the truth. We're in much better shape now, but the price of a barrel of oil is going to be controlled by the Middle East for the next 10, 20, 30 years for sure.

The single biggest existential threat that's out there, I think, is cyber.