The Royal Norwegian Navy (Norwegian: Sjøforsvaret, "(the) sea defence") is the branch of the Norwegian Armed Forces responsible for naval operations of Norway.As of 2008, the Royal Norwegian Navy consists of approximately 3,700 personnel (9,450 in mobilized state, 32,000 when fully mobilized) and 70 vessels, including 4 heavy frigates, 6 submarines, 14 patrol boats, 4 minesweepers, 4 ...