Back in 1904, when Adm. Sir John “Jacky” Fisher became Britain’s First Sea Lord, he set about modernizing the Royal Navy. He looked across Britain’s global empire, understood that he had finite resources and a limited number of ships, and had to think creatively and strategically about how to organize the force. His assessment could be summed up in a few memorable sentences. “Five keys lock up the world. Singapore, the Cape, Alexandria, Gibraltar, Dover. These five keys belong to England,” he re
