Public domain
Ship launching in Portland, Maine. The keel is laid for a cargo-carrying ship at a large New England shipyard which sent eight vessels into the water at a mass launching on August 16, 1942--the greatest tonnage ever to leave a Maine dock in one day
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineShip launching in Portland, Maine. The keel is laid for a cargo-carrying ship at a large New England shipyard which sent eight vessels into the water at a mass launching on August 16, 1942--the greate. 1942-01-01. Freeman, Albert, United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.