High Quality Content by WIKIPEDIA articles! USS Concord (Gunboat No. 3/PG-3) was a member of the Yorktown class of steel-hulled, twin-screw gunboats in the United States Navy in the late 19th and early 20th centuries. She was the second U.S. Navy ship named in honor of the town of Concord, Massachusetts, site of the Battle of Concord in the American Revolutionary War.