of No. 3 Fighter Sector RAAF including the Operations and Signals Bunker. Three Fighter Sector headquarters comprised 32 rooms in the large rectangular concrete building with Caneite partitions forming various passageways. The building still stands today and is . The mezzanine floor has long since disappeared. The bunker structure is listed in the Queensland Heritage Register and encompasses the boundary of Diamantina Street, Stuart Drive and Hill Street. References External links Suburbs of Townsville Queensland in World War II