Mark 20
Mark 20 may refer to:
- The Mark 20 nuclear bomb, a planned successor to the Mark 13 nuclear bomb, but never built
- Mark 20 torpedo, an experimental 1943 US torpedo abandoned in testing after about 20 units had been built
- Mark 20 Bidder, a British torpedo in service 1955-1980s
This disambiguation page lists articles associated with the title Mark 20.
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