Creator Backlash: The book's author apparently hates the movie for being a 're-glorification' of submarine warfare and too pro-German and pro-war (unlike the clearly anti-war novel it was based on). Oh, and for the cast's constant overacting. This has led to a Death of the Author reaction from many of the film's fans; when he claims that the movie "re-glorifies" the u-boat corps, the most common reaction is "how in the world is any of thissupposed to be glorious?" - and if the author considers this a glorification of WWII Era submarine warfare, how miserable must it have been in actuality?
In the middle of filming, the sailing shell of the U-96 used and the La Rochele U-boat pen were rented for several days' filming by the production crew of Raiders of the Lost Ark.