German S-Boot 38b torpedo fire test , German Schnellboot, or S-Boot, meaning "fast boat". fast attack craft of the Kriegsmarine during World War II.
E-boats was called by British designation using the letter E for Enemy. were primarily used to patrol the Baltic Sea and the English Channel in order to intercept shipping heading for the English ports in the south and east. As such, they were up against Royal Navy and Commonwealth.
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