Given the 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. Mayasan Maru - Mayasan Maru was a Japanese landing craft depot ship used extensively to transport Imperial Japanese Army (IJA) troops during 1943 and 1944. After avoiding damage in seven separate submarine attacks in earlier convoys she was sunk in the East China Sea by the submarine USS Picuda on 17 August 1944 while part of Convoy Hi-81. The sinking caused one of the highest casualty counts of World War II. Some 3536 lives were lost.
The answer is:
Mean Of Transportation