Just a few fathoms below Scapa Flow’s dark surface lie the remains of a navy — four battleships and four light cruisers of the Imperial German High Seas Fleet, scuttled by their own crews in 1919 in the largest act of self-destruction in naval history.
China claims the strategic waterway virtually in its entirety and is sensitive to all foreign naval action in the area, especially by the U.S. and allies such as Australia.