What was the weather?
If the weather is bad and you have choppy waves, you could’ve broached the surface.
If you left the periscope up too long, they could’ve spot it.
And 1/3 speed is a bit loud. They could have heard you. There are a number of reasons they found you.
Last edited by bstanko6; 01-01-22 at 05:40 AM.
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