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. MTSM motor torpedo boat - The MTSM motor torpedo boat ( Motoscafo da Turismo Silurante Modificato) was a series of small motor torpedo boats developed by the Italian Royal Navy during World War II. The vessel was an improved version of its predecessor the motor torpedo boat MTS. This was achieved through a larger sea-going hull with reinforced keel and a sharper stem. The MTSM were designed to be towed by larger motorboats into the target area.
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