USS Lyndonia (SP-734)
 USS Lyndonia (SP-734) later known as USS Vega (SP-734) was a yacht acquired by the U.S. Navy during World War I. She was assigned as an armed patrol craft but at times performed other duties along the U.S. East Coast such as dispatch boat and training ship for the U.S. Naval Academy. Post-war she was disposed of through sale to the public.