maker ▁William ▁Richard ▁Kent ▁( 1 9 0 5 – 1 9 6 4 ), ▁Liberal ▁party ▁member ▁of ▁the ▁Canadian ▁House ▁of ▁Commons ▁William ▁Kent ▁( histor ian ▁of ▁London ) ▁( 1 8 8 4 – 1 9 6 3 ) ▁William ▁Kent ▁( Austral ian ▁politician ) ▁( 1 8 5 6 – 1 9 0 6 ), ▁member ▁of ▁the ▁Queensland ▁Legisl ative ▁Assembly <0x0A> </s> ▁The ▁Mc D onn ell ▁Douglas ▁A - 4 G ▁Sky h awk ▁is ▁a ▁variant ▁of ▁the ▁Douglas ▁A - 4 ▁Sky h awk ▁attack ▁aircraft ▁developed ▁for ▁the ▁Royal ▁Australian ▁Navy ▁( R AN ). ▁The ▁model ▁was ▁based ▁on ▁the ▁A - 4 F ▁variant ▁of ▁the ▁Sky h awk , ▁and ▁was ▁fitted ▁with ▁slightly ▁different ▁av ion ics ▁as ▁well ▁as ▁the ▁capacity ▁to ▁operate ▁A IM - 9 ▁Side w inder ▁air - to - air ▁miss iles . ▁The ▁R AN ▁received ▁ten ▁A - 4 G s ▁in ▁ 1 9 6 7 ▁and ▁another ▁ten ▁in ▁ 1 9 7 1 , ▁and ▁operated ▁the ▁type ▁from ▁ 1 9 6 7 ▁to ▁ 1 9 8 4 . ▁ ▁In ▁Australian ▁service ▁the ▁A - 4 G s ▁formed ▁part ▁of ▁the ▁air ▁group ▁of ▁the ▁aircraft ▁car rier ▁, ▁and ▁were ▁primarily ▁used ▁to ▁provide ▁air ▁defence ▁for ▁the ▁fleet . ▁They ▁took ▁part ▁in ▁exer cis es ▁throughout ▁the ▁Pacific ▁region ▁and ▁also ▁supported ▁the ▁training ▁of ▁R AN ▁war ships