When, however, the Civil War began, he volunteered into the navy, was rated acting master's mate, and became a midshipman in October 1861, and a lieutenant in July 1862, serving in the North Atlantic blockading squadron.
Sir James Yeo began by blockading Sackett's Harbor in the early part of 1814, but when the American squadron was ready he was compelled to retire by the disparity of the forces.
Feverish attempts were made to remedy the lack of warlike stores, but difficulty was experienced on account of the fleet blockading the entrance to the river.
Sailing to Chioggia he blocked the channel leading from the lagoon to the sea, and Doria was caught in a trap. Pisani stationed himself outside the Lido, on the open sea, to intercept relief should any appear, and Doria, instead of blockading Venice, was himself blockaded in Chioggia.
A fine Spanish squadron seeking to escape from Santiago harbour was utterly destroyed by the American blockading force on the 3rd of July; Santiago was invested by land forces, and on the 15th of July the city surrendered.