For centuries, small vessels have made immense contributions in times of war, thanks to the expertise, bravery, and sheer willpower of their designers and crews. See the remarkable stories of war's small ships and the major roles they played at Pearl Harbor, Dunkirk, and more. Witness David-and-Goliath stories involving the tiny combat vessels that took on massive battleships and deadly subs. From the short-lived but legendary 1776 gunboat USS Philadelphia built to stop a British invasion on Lake Champlain, to the British gunboat M33 at Gallipoli, to the remarkable story of the Japanese HA.-19 minisubmarine at Pearl Harbor, see how ships of war don't have to be large to make history.