We counted sixteen ships in dock that looked as though they might do for our purposes. We had to rule out the newer ones and the reconverted jobs. I mean, after all, U-235 just lasts so long, and you can steam around the world on a walnut-shell of it, or whatever it is, but you can’t store it. So we had to stick with the ships that were powered with conventional fuel—and, on consideration, only oil at that. But that left sixteen, as I say. Some of them, though, had suffered visibly from being left untended for nearly a decade, so that for our purposes they might as well have been abandoned in the middle of the Atlantic; we didn’t have the equipment or ambition to do any great amount of salvage work. The Empress of Britain would have been a pretty good bet, for instance, except that it wa

