 There are disused Austrian-built fortifications at Rose, Mamula, Arza, and Montenegrin military installations at Rose (disused), Krašići and Obosnik.Two disused submarine hides are cut into the rock of the steep coast on Herceg Novi bay, and the Kumbor Strait.Since the closure of Tivat Naval Base a Kotor Class Frigate, previously of the Yugoslav Navy, has been moored at a facility directly below the village of Zabrđe in the Kumbor strait.