RAAF Eastern Area
... that as well as commanding a view of the countryside, RAAF Eastern Area's Blue Mountains headquarters incorporated a disused railway tunnel that offered "complete protection from Atom Bomb attack"?
... that as well as commanding a view of the countryside, <b id="mw4w"><a href="./Eastern_Area_Command_(RAAF)" id="mw5A" rel="mw:WikiLink" title="Eastern Area Command (RAAF)">RAAF Eastern Area</a></b><span about="#mwt21" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mw5Q" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> <a href="./Blue_Mountains_(New_South_Wales)" id="mw5g" rel="mw:WikiLink" title="Blue Mountains (New South Wales)">Blue Mountains</a> headquarters incorporated a disused railway tunnel that offered "complete protection from <a href="./Nuclear_weapon" id="mw5w" rel="mw:WikiLink" title="Nuclear weapon">Atom Bomb</a> attack"?