Now I don't see where the problem is...here I am in the "flood deck" position my crew is on deck without problem my instruments work...all work...the weather plays a crucial factor in my opinion...As I imagined above...... According to my initial research, the technique was used for nocturnal attacks.
even during the day...in bad weather to stabilize the boat..this technique is used to hide the boat from what I understood the engineering had to be top notch because there were risks..besides it is not easy to find things about internet... but let's wait for feedback from other Subsimmers..
In Action.. Screens..
I'm even going to try to gain a few centimeters..