““A seagoing lieutenant in the United States Navy once asked me if merchant ships have radar. After learning that they do, he asked if the mates use grease pencils. He seemed surprised. Merchant mariners, for their part, tend to characterize Navy people as green and earnest. They joke about the redundant multitudes that inhabit a Navy-ship bridge. There is a story much told by Navy people and yachtsmen about a merchant ship steaming somewhere at nineteen knots with a dog on the bridge, alone on watch. Andy and I call a tale like that an asmut: an apocryphal story much told. One such yarn, which he told that morning, led up to a question that was supposedly put to a merchant skipper as he arrived in port: “Captain, have you seen any sailboats recently?” “No.” “Well, you should have. There’s a mast and rigging hanging from your anchor.” Without””