Fin sail of HMS Alliance: Royal Navy A-class, Amphion-class or Acheron-class submarine: memorial & museum ship, Royal Navy Submarine Museum Gosport UK

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Fin (or sail) of HMS Alliance is a Royal Navy A-class, Amphion-class or Acheron-class submarine, laid down towards the end of the Second World War and completed in 1947. (Pennant number S67 from 1961; originally P147). She has been a museum ship / memorial since 1981 at Royal Navy Submarine Museum at Gosport near Portsmouth, UK. The sail (American usage) or fin (European/Commonwealth usage) of a submarine is the tower-like structure found on the dorsal (topside) surface of submarines. Submarine sails once housed the conning tower (command and communications data center), the periscope(s), radar and communications masts (antenna), though most of these functions have now been relocated to the hull proper (and so the sail is no longer considered a "conning tower"

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Size: 5616px × 3744px
Location: Royal Navy Submarine Museum at Gosport (maritime museum). Near Portsmouth, UK.
Photo credit: © David Gee / Alamy / Afripics
License: Licensed
Model Released: No

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