For the past 15 years, the U.S.-Japan alliance has been largely focused on the fate of a single airfield – the U.S. Marine Corps’ Futenma Air Station in Okinawa. Mike Mochizuki and Michael O’Hanlon contend that this focus is misplaced, and that the United States and Japan would be better off concentrating on larger issues, such as dealing with a nuclear North Korea, the rise of China, and the global impact of Islamic extremism.