Paragraph 1
An ocean exploration
filmed the world's
known shipwreck for the first
. The World War II US Navy battleship, the USS Johnston, was sunk by the Japanese Navy in 1944 in the Philippine Sea. The
is now on the ocean
, around 6,456 metres deep. The film crew went down to that
depth and darkness in a specially built submersible that can deal with the
of the deep ocean. They discovered the wreck was about 30 metres
than they thought. The
took place during two eight-hour
.