Asdic

ASDIC was an abbreviation used during the Second World War for Allied Submarine Detection Investigation Committee. It was a device used for detecting underwater ships. The American name was sonar.
Found on http://www.probertencyclopaedia.com/browse/FA.HTM

ASDIC

A type of sonar used by the Allies for detecting submarines during the Second World War.
Found on http://en.wikipedia.org/wiki/Glossary_of_nautical_terms

ASDIC

A type of sonar used by the Allies for detecting submarines during the Second World War.
Found on http://en.wikipedia.org/wiki/Glossary_of_nautical_terms
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