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. Sleipner-class destroyer - The Sleipner class was a class of six destroyers built for the Royal Norwegian Navy from 1936 until the German invasion in 1940. The design was considered advanced for its time and it was the first class of vessels for the Norwegian Navy that used aluminium in the construction of the bridge the mast and the outer funnel. Extra strength special steel was used in the construction of the hull.
Mean Of Transportation