Answer the following question: 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. SM UC-32 -  SM UC-32 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 29 August 1915 and was launched on 12 August 1916. She was commissioned into the German Imperial Navy on 13 September 1916 as SM UC-32. In 3 patrols UC-32 was credited with sinking 6 ships either by torpedo or by mines laid. UC-32 was sunk by the detonation of one of her own mines on 23 February 1917.
Answer:
Mean Of Transportation