6 3/4" (170mm)
One of the X-51 midget subs, Stickleback, was sold to Sweden, where it was called the 'Spiggen'. It was returned to the UK in 1977, and is now on display at the Imperial War Museum, Duxford. Kit includes the hull, deck, and a set of 30 castings. Also included a full a set of highly detailed drawings, propeller, and shaft.
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