I know in response to Mr. Chisu we alluded to the submarine program. We've heard that this is a force multiplier as well, not in terms of, perhaps, subnaval conflict, but more in terms of surveillance or the ability to project our forces in places where they can't be seen by satellite, etc.
Do I get a sense you may have some further comments on that? We've heard from different folks in this study. Some say they are a waste of resources; others say they're essential in a modern navy to have that capability. Can we just have your thoughts on that?