She is not to be confused with the experimental submarine Plunger which was evaluated by the U.S. Navy from 1898 to 1900, but not accepted or commissioned.
Early service[edit]
Plunger was originally laid down on 21 May 1901 at Elizabethport, New Jersey, at Lewis Nixon‘s Crescent Shipyard. Arthur Leopold Busch supervised the construction of the A-Class submarines built there. The prototype Fulton experimental craft was laid down at Isaac Rice‘s Electric Boat Company prior to these first A-class submarines.
She was launched on 1 February 1902, and commissioned at the Holland Torpedo Boat Company yard at Holland Torpedo Boat Station, New Suffolk, New York on 19 September 1903.
Assigned to the Naval Torpedo Station at Newport, Rhode Island for experimental torpedo work, Plunger operated locally from that facility for the next two years, a period of time broken only by an overhaul at the Holland yard at New Suffolk from March to November 1904. Besides testing machinery, armament and tactics, the submarine torpedo boat also served as a training ship for the crews of new submersibles emerging from the builder’s yards.
In August 1905, Plunger underwent two weeks of upkeep before leaving the yard on 22 August. She was towed by the tug Apache to New York City, where Plunger conducted trials near the home of President Theodore Roosevelt. Upon the submarine’s arrival that afternoon, she moored alongside the tug and prepared for a visit from President Roosevelt.
