Pursuit Of The Graf Spee (1956) -

Watch this clip to see how real-life experiences, such as those of actor Christopher Lee, influenced the authenticity of post-war military films like this one:

Set in 1939, the story follows the British Royal Navy's hunt for the German "pocket battleship" Admiral Graf Spee , which had been sinking Allied merchant ships in the South Atlantic. After a fierce battle with three smaller British cruisers— Ajax , Achilles , and Exeter —the damaged German ship seeks refuge in the neutral port of Montevideo, Uruguay. Pursuit of the Graf Spee (1956)

To ensure accuracy, the producers used several ships that actually participated in the war, though the USS Salem was used to portray the Graf Spee . Watch this clip to see how real-life experiences,