As the submarine leveled off beneath the waves, the ESM mast went up first, sniffing for hostile electronic signals, then the search periscope. The captain made a quick sweep around the sky, then the surface, his executive officer closely watching the television readout to back up the skipper’s observations. Everything looked clear. There was a moderate sea running, with five-foot swells, and the clear blue sky was decorated with fair-weather cumulus clouds. On the whole, a beautiful day. Except for the war.
