<P> The First Navy Jack, which was not directly related to the Gadsden flag, has been in use by the United States Navy since its beginnings . Unlike the Liberty Tree Flag with the letter by Colonel Joseph Reed that describes it, there is no document that describes the Snake on Stripes flag, only an image by English artist Thomas Hart in the background of a portrait of Commodore Esek Hopkins . In that same painting is a round "tree flag". The triangular Liberty Tree flag is derived from the only surviving tree flag from the Revolution, found in an old trunk in 1993 on Long Island, the 5th Regt . Connecticut Militia . The Snake on Stripes flag was included in a book of flags by Admiral Preble, but later Preble determined the flag not valid, so he removed it from his text . However, the book publisher used the old color plates, so the image was continued in the new edition and subsequently picked up by other publications and Webster's Dictionary . </P> <P> In preparation for the 1976 bicentennial year, staff officers in the Secretary of the Navy's office sought a powerful image for the Navy's Bicentennial . One Navy officer saw the Snake on Stripes Flag in Webster's Dictionary, so the staff officers ordered a large number to give away as Navy promotional items and then turned to the Naval Historical Center to "get the history". They were told that the flag had probably never flown during the Revolution, based on Admiral Preble's later discoveries, but a decision was made to use the Snake on Stripes Flag, or the "Fake Snake Flag", anyway . Beginning in 1975, commissioned Navy ships flew this Jack in place of the Naval Jack (officially known as the Union Jack, not to be confused with the United Kingdom's flag) at the bow . In 1977, the Secretary of the Navy directed that the ship in active status with the longest total period of active service shall display the First Navy Jack until decommissioned or transferred to inactive service, at which time the flag shall be passed to the next ship in line with appropriate honors . The display of this jack by the oldest ship in the fleet is intended as a form of recognition to promote pride of service, enhance morale, and contribute to the tradition of naval service . USS Enterprise (CVN 65) became the oldest active ship in the United States Navy upon the decommissioning of USS Kitty Hawk (CV 63) on May 12, 2009 . Enterprise is only the third aircraft carrier ever to hold the honor of flying the First Navy Jack . </P> <P> Since the first Patriot Day on September 11, 2002, which commemorates the lives lost in the September 11 attacks, the rattlesnake from the flag is also shown on the US Army's Drill Sergeant Identification Badge . After the Snake on Stripes Flag became the Navy's symbol for the Global War on Terrorism, flag history professionals (vexillologists) have done extensive research papers that further question the claim that the flag ever flew during the American Revolution, yet it continues to fly at the bow of American warships today . </P> <P> For historical reasons, the Gadsden flag is still popularly flown in Charleston, South Carolina, the city where Christopher Gadsden first presented the flag and where it was commonly used during the revolution, along with the blue and white crescent flag of pre-Civil War South Carolina . </P>

What does a yellow flag with a snake mean