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 LST-900 -  USS LST-900 was an LST-542-class tank landing ship in the United States Navy during World War II. Late in her career she was renamed Linn County (LST-900)—after counties in Iowa Kansas Missouri and Oregon—but saw no active service under that name.LST-900 was laid down on 1 October 1944 at Pittsburgh Pennsylvania by the Dravo Corp.; launched on 9 December 1944; sponsored by Mrs. Felix R. Konkle; and commissioned on 6 January 1945 Lieutenant Neil A.
Answer:
Mean Of Transportation