WAR 10 Documentary Collection ' most were made during WW2 by several Production Companies. This DVD documentary is massive in content with a total running time of 788min. See pic above of reverse dvd case which lists what is included on this 4 disc set.
 
The Documentries cover real footage of many battles including Battle of Britain Dunkirk Korean War Russia WW2.

Importantly for those interested in the Foxtel series Pacific it includes the actual footage of most of the Battles depicted in that series Iwo Jima Tarawa New Britain Okinawa etc and more