During WWII, as the silhouette of the submarine conning towers changed, so did the deck layout. The Nautilus Lionfish deck series covers five important deck variations in the war. The principle changes in the deck layout concerned the under-deck stowage of whaleboats and the locations of access points to the superstructure as well as minor items as air salvage ports and deck equipment locations. I have listed the decks here in their chronological order. All of these decks were drawn from US Navy blueprints found in the National Archives.
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As the war progressed, the whaleboats were deleted entirely in favor of inflatable rafts. This deck also features radically revised deck access points as installed by Mare Island beginning in the summer of 1943.
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180-502 USS HARDER WOOD DECK $15 + S&H
180-502 USS HARDER WOOD DECK $15 + S&H + $1 SHIPPING SURCHARGE