Plunger-class submarine
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The Plunger class was an early class of United States Navy submarines. In the first years of their service, they were used primarily as training and experimental vessels for the newly formed "silent s
USS Plunger (SS-2)
Plunger, Adder, Moccasin, Porpoise, and Shark at New Suffolk, New York circa 1903.
A 1912 view of the breech of the sole torpedo tube of USS Moccasin / A-4. Two torpedoes are on wooden skids in the foreground. The skids slid across the deck for loading.
USS Plunger NH 85735 cropped
USS Holland (SS-1)
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USS Holland was the United States Navy's first submarine, although not its first underwater watercraft, which was the 1775 submersible Turtle.
Plunger-class submarine
…as the Adder class, as USS Adder was the first boat of the class to be completed. These boats were essentially an enlarged and improved version of the Holland, with a much more powerful 4-cylinder, 160 bhp (120 kW) Otto engine and an enlarged battery. Their increased size allowed a crewman to stand upright…
USS Holland (SS-1) under way
USS Holland (SS-1) from Scientific American 1898. The muzzle door of the bow dynamite gun is open.
Holland under construction, 1900