Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. USS Yorktown (Gunboat No. 1/PG-1) was lead ship of her 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 American Revolutionary War''s Battle of Yorktown. Yorktown was laid down by William Cramp and Sons of Philadelphia in May 1887 and launched in April 1888. She was just over 244 feet (74 m) long and 36 feet (11 m) abeam, and displaced 1,710 long tons (1,740 t). She was equipped with two steam engines which were supplemented with three schooner-rigged masts. The ship''s main battery consisted of six 6-inch (15.2 cm) guns and was augmented by an assortment of smaller-caliber guns.