Mornin' sailors!
I have a question regarding real life use of S-boats. I had a hard time searching any useful info on Sugar boats, so my last try is to ask here.
Due to pre-war doctrine, skippers, if operated in 500nm radius of enemy air bases, stayed underwater for daytime. So, did S-boats have that much renewable oxygen supply do remain submerged for 8-12 hours? I mean - RENEWABLE supply.
P.S. I'm already here, so I couldn't not ask - how long S-boats could stay on patrol, until their food and fresh water supply depledes?
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