The Hajen is a Danish Flyvefisken Class multi-role warship. For all roles except anti-pollution, the ship carries one 76 mm Otobreda Super Rapid gun which fires 120 rounds per minute and has a range of 16 km. For surface combat roles, two 533 mm torpedo tubes are fitted with Bofors TP613 wire-guided passive homing torpedoes. For ASW roles, anti-sub...