HMAS Watson Military site Naval base and maritime warfare training establishment at South Head. Locate -33.837181669217, 151.28059852119 Type Military site {"name":"Military site","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} HMAS Watson by Robin Derricourt , 2008 The site of many Aboriginal carvings, HMAS Watson has been part of Sydney's military defences since 1854. more » image