A U.S. military helicopter landed off-base Wednesday night in a field on a small island of Okinawa Prefecture, southern Japan, but there were no reports of injuries or property damage from the incident, local authorities said.Five crew members belonging to U.S. Marine Corps Air Station Futenma were on board the UH-1 helicopter, which landed on Tsuken Island due to engine trouble, according to an account provided by the U.S. military to the Okinawa prefectural police.None of crew sustained injuries and the helicopter was not damaged. The aircraft, which is believed not to have been carrying …READ FULL ARTICLE