 Sure, and we had the great Reagan build-up, just to use a piece of shorthand that people use, and lots of technologies to give a technical advantage were developed at those times, and we're still living off that. I guess before we get into what deterrence is going to look like in the future, let's presume that some of the facts going on now, the ship building has slowed so that the replacement rate is not there, and so many ships are in dry dock at a given point.