[SuperSonic]

He had made his name in the 1930s, directing the likes of Fred Astaire and Ginger Rogers in 'Swing Time' (1936) and Cary Grant in 'Gunga Din' (1939).

But in 1942, after seeing Leni Riefenstahl's Nazi propaganda movies, Stevens enlisted.

General Dwight Eisenhower assigned him to head up the combat motion-picture coverage, a unit covering the war in black-and-white 35 millimetre film for newsreels and military archives.

[Ruy Dias de Bivar]

If I remember correctly, there was lots of footage taken at D-Day. When someone was taking the reels back to the ship, he accidentally dropped the duffel bag with the film overboard and it was lost.