Of course, the Duke wasn’t like most “yachts,” was she? She was an Agamemnon-class BC(P), fitted with Keyhole-Two and cutting-edge defensive and electronic warfare systems. For all intents and purposes, the Navy had taken a front-line battlecruiser, turned a quarter of its magazine space into luxurious accommodations for the Empress and up to a hundred and fifty or so guests, provided it with a picked crew of combat veterans, and called it a “yacht.”

