Naval History and Heritage Command

A soft leather shoe or boot with the sole brought up the sides of the foot and over the toes where it is joined with a puckered seam to a U‑shaped piece laying on top of the foot; of Algonquian origin, as Narragansett mocussin and Massachuset mohkisson, meaning shoe.

II

Commissioned 17 January 1903, the second Moccasin (SS‑5) was operating in the Philippines when the submarine was renamed A‑4 (q.v.) 17 November 1911 before service in World War I.