Some U.S. military Osprey aircraft took to the air in Okinawa, southern Japan, on Thursday, amid lingering local concern over the safety of the tilt-rotor military planes following a crash last year.The resumption of flights in Japan came after Washington last week lifted a worldwide flight ban on U.S. Ospreys, imposed after a U.S. Air Force CV-22 transport plane crashed off a southwestern Japan island on Nov. 29, killing all eight crew aboard.Some Ospreys' engines were started around 8:30 a.m. at Marine Corps Air Station Futenma, with the aircraft beginning to take off from around 8:50 a.m…READ FULL ARTICLE