This August 1943 photo provided by the National Archives, General Records of the U.S. Navy, shows a submarine builder at Electric Boat Company in Groton, Conn. The photo is part of "The Way We Worked", part of the Smithsonian's Museum on Main Street program — and opens Saturday, May 17, 2014 in Angola and 270 miles away in Tunica, Mississippi. Identical exhibits also are being shown in Rhode Island, Michigan and California. (AP Photo/Fenno Jacobs, National Archives, General Records of the U.S. Navy)