Large patch fabricated by the Pearl Harbor Navy Yard to temporarily seal torpedo damage inflicted on Nevada's port side during the Japanese attack of 7 December 1941. Photographed when the patch was completed in early January 1942. This patch was not able to make a watertight seal and was removed before the ship was drydocked on 18 February 1942. Note photographer Tai Sing Loo at work in the lower left. Official U.S. Navy Photograph, from the collections of the Naval History and Heritage Command.