Keywords: Lot-9438-10: Launching Twin Destroyers. The new destroyer USS Butler (DD 636) hits the water at the Philadelphia Navy Yard, Philadelphia, Pennsylvania, a few moments before USS Gherardi (DD 637), left, was launched at Philadelphia Navy Yard, on February 12, 1942. Double launchings are a common time-saving device in U.S. shipyards, where speed is a prime consideration. Office of War Information Photograph, February 7-16, 1942. (2016/01/08). Lot-9438-10: Launching Twin Destroyers. The new destroyer USS Butler (DD 636) hits the water at the Philadelphia Navy Yard, Philadelphia, Pennsylvania, a few moments before USS Gherardi (DD 637), left, was launched at Philadelphia Navy Yard, on February 12, 1942. Double launchings are a common time-saving device in U.S. shipyards, where speed is a prime consideration. Office of War Information Photograph, February 7-16, 1942. (2016/01/08). |