 However, Rous battery was designed to deter ships from shelling targets within Moreton Bay from the ocean side of Moreton Island.During World War II, Moreton Bay was also protected by RAN stations numbers 1 through 10.RAN 1 was a Port War Signal Station at Wickham Point, Caloundra (not extant), and RAN 2 was a Controlled Mining and Guard Loop Station which was initially located at Fort Bribie (extant), before it was moved to Tangalooma on Moreton island in 1943 (not extant).