but had a primary focus of merchant ship production. The other yards were significantly expanded during the same time period. See also List of United States Navy destroyers List of United States Navy destroyer leaders List of United States Navy ships Notes References Boyne, Walter. Clash of Titans. Simon and Schuster, NY,USA, 1995. . Friedman, Norman, US Destroyers: An Illustrated Design History (Revised Edition), Naval Institute Press, Annapolis:2004, . Lyon, David. The First Destroyers. Chatham Publishing 1 & 2 Faulkner's Alley, Cowcross St. London, Great Britain, 1996. . Simpson, Richard V. Building The Mosquito Fleet; The US Navy's First Torpedo Boats. Arcadia Publishing, Charleston SC, USA, 2001. . External links Destroyers Classes Classes United States Navy, classes United States Navy