Aircraft are always going to be something that terrorists are interested in because you bring down an airliner, you have drawn the world's attention.

The homegrown terrorists are the most significant because any fighter returning from Syria to the United States would likely be identified and detected by our intelligence and law enforcement agencies.

On a professional side, you've got a tough problem to fix, Geoff Miller's going to do it, and he's always going to do it to very high standards, and he's always going to be on the side of right. He's always talking about 'what right looks like' - just a phrase he would always use.

The Pentagon is actually a 10-story building, five up and five down.

If you're going to maintain true authorities over a subordinate organization, you have to have some control over policy formulation of that organization and also the resources that are applied to it.

I have decorated soldiers for heroism before, and it was always such an honor to do it.