A U.S. Marine in his 20s in Okinawa Prefecture was arrested in May on suspicion of injuring a female while attempting to rape her, investigative sources said Friday, sparking strong opposition from local communities where anti-U.S. base sentiment runs deep.The disclosure of the incident comes days after it was also revealed that a U.S. Air Force serviceman in Japan's southernmost prefecture was indicted in March for allegedly kidnapping and sexually assaulting a girl under the age of 16 in December.Critics say Okinawa bears an unreasonable burden in hosting U.S. bases. The island prefecture…READ FULL ARTICLE