. . . . . "1940" . "Southern Area Command (RAAF)" . . . . "Air defence" . "Southern Area Command" . . "Southern" . . "Southern Command" . . "Headquarters Southern Area" . . . . . "Protection of adjacent sea lanes" . . "Southern Area" . "1953" . . . . "Southern Area Command (RAAF)" . "Aerial reconnaissance" . . . . . . . . . . .