service in 1881, she served as a receiving ship until designated a museum ship in 1907. In 1931 she made a three-year, 90-port tour of the nation, and in 1997 after a comprehensive restoration to her 1812 configuration she finally sailed again under her own power for her 200th birthday. The oldest commissioned warship afloat in the world, Constitution is berthed at the Charlestown Navy Yard in Massachusetts and is used to promote understanding of the Navy's role in war and peace through educational outreach, historic demonstration, and active participation in public events. Constitution is open to visitors year-round, providing tours, with the USS Constitution Museum nearby. Chesapeake was built at the Gosport Navy Yard, Virginia, and was launched on December 2, 1799. The Chesapeake was the only one of the six frigates to be disowned by Humphreys due to liberties taken by her Master Constructor Josiah Fox during construction relating to overall dimensions. The frigate that became was originally planned as a 44-gun ship, but when her construction began in 1798 Josiah Fox altered the original design plan, resulting in the ship's re-rating to 36 guns. Fox's reason for making the alteration is not clear, but may be attributed to construction materials that were diverted to complete . Additionally, Fox and Humphreys had earlier disagreed over the design of the six frigates, and Fox may have taken opportunities during construction to make alterations to his own liking. Regardless, the plan for the redesigned frigate was approved by Secretary of the Navy Benjamin Stoddert. When construction finished on Chesapeake, she had the smallest dimensions of all six frigates. A length of between perpendiculars and of beam contrasted with the other two 36-gun frigates, and Constellation, which were built to in length and of beam. On June 22, 1807, what has become known as the Chesapeake–Leopard affair occurred when the Chesapeake was fired upon by for refusing to comply with a demand to permit a search for deserters from the Royal Navy. After several quick broadsides from Leopard, to which the Chesapeake replied with only one gun, the Chesapeake struck her colors. HMS Leopard refused the surrender, searched the Chesapeake, captured four alleged deserters, and sailed to Halifax, Nova Scotia. Chesapeake was captured on June 1, 1813, by shortly after sailing from Boston, Massachusetts. Taken into Royal Navy service, she was later sold, and broken up at Portsmouth, England, in 1820