Watched "The Enemy Below" last night...
...for the first time in about 3 decades (seriously). What a great movie, but my what a spotlessly-clean and spacious UBoat Curt Jurgens had!
One question: Jurgens' character used some kind of "ink discharge" to confuse the DE's sonar. Mitchum's character referred to is as "using a decoy". It wasn't oil because it didn't float to the top and appeared to disperse in the water. Is this historically accurate? If so, what was it?
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