75 years? You must be joking No, it's true. The United States Air Force arrived in Britain, which was just as well, as the Brits were having a hard time getting their butts kicked by the Nazis. But that particular battle was won in 1945. The Yanks didn't go home. Then there was the Korean War, (which was shared). Then Vietnam, (which Britain failed to join). The Americans stayed put. Even when the Berlin Wall came down, they wouldn't pack their bags...