A U.S. military UH-1 helicopter made an emergency landing at a baseball field in Nago, Okinawa Prefecture, on Friday night while a youth team was practicing there, in what could have been a serious accident.The First Marine Aircraft Wing in Okinawa said Saturday that a warning indicator appeared in the aircraft during routine training, prompting the landing. It said no one was injured and the helicopter was not damaged.Still, Okinawa Gov. Denny Tamaki on Saturday described the incident as "extremely regrettable," saying, "A single misstep could have led to a grave accident" that would have …READ FULL ARTICLE