“ 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. The work of blockade, and of harassing the Confederates on the coast and the rivers of the Atlantic seaboard, called for much service in boats, and entailed a great deal of exposure. Cushing was distinguished by his readiness to volunteer, his indefatigability, and by his good fortune, the reward of vigilance and intelligence. ”

“ In 1872 he was promoted commander at what was an exceptionally early age, but he died on the 17th of December 1874 of brain fever. He had suffered extreme pain for years before his death, and in fact broke down altogether under disease contracted in the discharge of his duty. ”