Caption:
A Group of A-type submarines at the Holland Submarine Co. basin, New Suffolk, Long Island, circa 1903. In the front lie Plunger (Submarine No. 2) (later A-1), Porpoise (Submarine No. 7) (later A-6), and Adder (Submarine No. 3) (later A-2), along the breakwater (background) are Shark (Submarine No. 8) (later A-7) and Moccasin (Submarine No. 5) (later A-4). (NH 45937)