On April 21, 1794, the city deeded that land to the state for public defense purposes. the state allotted $100,000 for fortifications on Bedloe's, Ellis, and Governors Islands, as well as the construction of Castle Garden (now Castle Clinton) along the Battery on Manhattan island. The military conflicts failed to occur, and by 1805, the fort had become rundown Ceded to the United States on June 30, 1808, for $10,000, used by the military for almost 80 years. In the early 1800s, the young American government realized that Ellis Island, with its clear view of the entrance to New York Harbor, had strategic value as a defense post. Since the British had easily invaded New York with very little resistance during the American Revolution, the protection of New York became a top priority for the new government. Preceding the War of 1812, the United States War Department constructed Fort Gibson (named after Colonel James Gibson who was fatally wounded in the British Siege of Fort Erie) on Ellis Island. Fort Gibson consisted of a barracks for a small garrison, a powder magazine, and a battery of guns located along the island's eastern edge.