ped o ▁tub es , ▁search ▁light ▁stations , ▁No . ▁ 2 0 ▁Rad ar ▁Station ▁RA AF , ▁bar bed ▁wire ▁and ▁st ake ▁defence , ▁a ▁command ▁post ▁and ▁bar ra cks ▁and ▁other ▁mis cell aneous ▁buildings . ▁ ▁Part s ▁of ▁the ▁head land ▁were ▁cleared . ▁Services ▁such ▁as ▁power ▁and ▁water ▁were ▁provided . ▁Many ▁of ▁the ▁sites ▁have ▁become ▁over g rown . ▁In ▁ 1 9 8 9 ▁the ▁doors ▁of ▁the ▁heavy ▁gun ▁emp lac ements ▁were ▁w eld ed ▁shut . ▁Before ▁ 1 9 3 9 ▁the ▁Fort ▁Tom are e ▁site ▁was ▁virt ually ▁in ▁its ▁natural ▁state ▁and ▁the ▁area ▁had ▁no ▁water ▁and ▁no ▁power ▁or ▁major ▁services ▁of ▁any ▁description , ▁until ▁installed ▁by ▁the ▁RA AF , ▁A IF ▁and ▁R AN , ▁for ▁their ▁own , ▁and ▁US ▁Army ▁and ▁US ▁Navy , ▁use . ▁The ▁population ▁expanded ▁to ▁many ▁hundreds ▁in ▁the ▁space ▁of ▁a ▁few ▁years . ▁The ▁entire ▁Fort ▁Tom are e ▁head land ▁has , ▁in ▁the ▁main , ▁been ▁an ▁und ist urbed ▁and ▁relatively ▁protected ▁area ▁because ▁of ▁its ▁occupation ▁by ▁the ▁NS W ▁Government ▁Health ▁Department . ▁This ▁Government ▁protection ▁has ▁ens ured ▁that ▁only ▁relatively ▁little ▁serious ▁damage ▁has ▁been ▁done ▁to ▁these ▁fort ifications ▁since ▁the ▁end ▁of ▁World ▁War ▁ 2 . ▁ ▁The ▁coast al ▁def ences ▁compr ised : ▁▁ ▁Australian ▁Army ▁sea front ▁and ▁beach ▁front ▁installation ▁including ▁observation ▁posts , ▁rad