Visitors to the ruins of Urasoe castle get no clues, as they stroll through lush tropical vegetation, gaze at a sparkling ocean a few hundred yards away, or stop to take in the tranquillity of a Buddhist shrine, that 75 years ago hell was unfolding where they stood. The ridge, now remade as a city park that forms a small oasis of green in a sprawl of encroaching suburbs, was at the heart of the brutal battle for Okinawa. It was also the site of one of the most extraordinary acts of heroism ever recorded by the US military. To read more, click here.