The Ulvon is a Swedish Landsort Class mine hunter, made of Glassfibre Reinforced Plastic (GRP). The ship's complement is 39, with a commanding officer, 12 officers and 26 ratings. The ship is armed with a 40 mm Bofors main gun installed on the upper deck; two 7.62 mm machine-guns and four Saab anti-submarine mortar launchers developed each with nin...