Q:HMNZS Tui (1970) - HMNZS Tui formerly USNS Charles H. Davis (T-AGOR-5) was one of nine Conrad class oceanographic ships built for the United States Navy (USN) that later saw service in the Royal New Zealand Navy (RNZN). Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Mean Of Transportation