Full title reads: "Making Sure".
GV Depth charge exploding at sea - poor quality.
Shots of buoy being dropped to mark the point where the depth charge went off.
VS Good shots of French diver entering a deep sea diving suit and being lowered over the side and into the sea....
Title for the roundup of national news.
Rough seas around the coast.
Material showing rough sea breaking over rocks and against cliffs in Norway.
Rough seas and waves crashing on beach
Poor quality aerial shots warships at sea from 16 mm print.
Waves on a beach - Colour.
Rough sea breaking waves against the rocks