TRIVIA BITS …
SNORKEL
The word "snorkel" comes from the German word "schnoerkel", which was a tube used by German submarine crews in WW2. The subs used an electric battery when traveling underwater, which had to be recharged using diesel engines, which needed air to run.
To avoid the hazard of surfacing to run the engines, the Germans used the schnoerkel to feed air from the surface into the engines.
_at_periscope_depth_off_Malaysia%5B5%5D.jpg "USS_Chicago_(SSN_721)_at_periscope_depth_off_Malaysia")
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