The things I learned from Silent Hunter III!

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I'd taken quite a few screenshots for this, and wanted to wait until I had them ready, but figured that I never might have them ready, so here goes.

THE THINGS I LEARNED FROM SILENT HUNTER III

• Chief engineers were typically very hygienic. If a valve burst above him, he could stand under it for hours instead of getting out of the way.
• Contrary to popular belief, fires were not a concern in either of the era's navies. Life-boats, life-rings, wood, flags, and even sailors were fire-proof.Not that they could hold a candle to the people in ports - they survived everything from flak shells to B-17-dropped bombs.
• Search-lights on ships are highly explosive.
• Even if a ship was listing, causing the gun crewmen to find themselves underwater, they did not abandon their posts. They just hung on to their guns and held their breath!
• Likewise, it was not uncommon for German submarines to dive - possibly very deep - with the watch crew still in the conning tower. Pressure-increase at great depths is a myth.
• Only the German navy possessed submarines.
• The BBC contributed electronics to the Kriegsmarine.
• The advanced hydrophones and radar of the era could see/listen through mountains.
• Teleportation was widely used in all navies. It was used to get from station to station in submarines, or to abandon sinking ships.
• If land stretches on for kilometres and there's no submarine to see it, does it still exist? Nope.
• Moon phases are a myth.
• Kriegsmarine u-boats had infinite supplies.

Add your own! Let's make this one a classic!