USC&GS Lydonia was a survey ship that served in the United States Coast and Geodetic Survey from 1919 to 1947. From 1917 to 1919 she served in the United States Navy as the patrol vessel USS Lydonia (SP-700) after the Navy's acquisition of the yacht Lydonia II from William A. Lydon. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Mean Of Transportation