A bag containing an inflammable signal flame tube fell from a U.S. military helicopter over the Motobu peninsula in northern Okinawa Prefecture in Japan on Tuesday, the local Defense Ministry bureau said.In Tokyo, Japan's top government spokesman said Wednesday that no damage has been reported following the incident.An official of the U.S. Marine Corps, which is searching for the 18-kilogram bag, told Kyodo News that the UH-1 helicopter dropped it inadvertently during a routine drill and that there were no civilians confirmed in the area where it landed.The crew of the aircraft belonging to…READ FULL ARTICLE