"The Dortmunster Aqueduct Matter"
Written by
Unknown
Copyright 1966
Published in The Victor #268-#272, April 9 - May 7, 1966.
Having been noticed by the Royal Navy for his underwater skills, Captain Webb is asked to head by submarine into Germany to find a way to disable the Dortmunster Aqueduct to severely hamper the supply of raw material to a large number of factories.