 The Buffington–Crozier Disappearing Carriage (1893) represented the zenith of disappearing gun carriages, and guns of up to 16-inch size were eventually mounted on such carriages.Disappearing guns were highly popular for a while in the British Empire, the United States and other countries.In the United States, they were the primary armament of the Endicott- and Taft-era fortifications, constructed 1898-1917.