U.S. Marine Corp's Futenma air base is seen behind a Japanese town in Ginowan, on the southwestern island of Okinawa, a subtropical island about 1,600 km (1,000 miles) south of Tokyo that hosts about half the 47,000 U.S. military personnel in Japan November 8, 2009. A mass anti-U.S. base rally will be held Sunday in Okinawa. Reuters Pictures 2 weeks ago

U.S. Marine Corp's Futenma air base is seen behind a Japanese town in Ginowan, on the southwestern island of Okinawa, a subtropical island about 1,600 km (1,000 miles) south of Tokyo that hosts about half the 47,000 U.S. military personnel in Japan November 8, 2009. A mass anti-U.S. base rally will be held Sunday in Okinawa.