Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. USS General C. G. Morton (AP-138) - USS General C. G. Morton (AP-138) was a General G. O. Squier-class transport ship for the U.S. Navy in World War II. She was named in honor of U.S. Army general Charles Gould Morton. She was transferred to the U.S. Army as USAT General C. G. Morton in 1946. On 1 March 1950 she was transferred to the Military Sea Transportation Service (MSTS) as USNS General C. G. Morton (T-AP-138). She was later sold for commercial operation under the name SS Green Wave before being scrapped in 1980.
Answer:
Mean Of Transportation