High Quality Content by WIKIPEDIA articles! The Yugoslav Navy (Jugoslavenska ratna mornarica) was the navy of Yugoslavia. It was essentially a coastal defense force with the mission of preventing enemy landings along the Yugoslavia`s rugged 4,000- kilometer shoreline or coastal islands, and contesting an enemy blockade or control of the strategic Strait of Otranto. Its capabilities were limited by a lack of operational time at sea and infrequent live firing exercises.