: I r ish ▁television ▁actress es ▁Category : I r ish ▁voice ▁actress es ▁Category : I r ish ▁exp atri ates ▁in ▁England ▁Category : Act ress es ▁from ▁Dublin ▁( city ) <0x0A> </s> ▁Main ▁battle ▁t anks ▁are ▁often ▁class ified ▁as ▁belonging ▁to ▁a ▁particular ▁generation , ▁although ▁the ▁actual ▁definition ▁and ▁membership ▁in ▁these ▁gener ations ▁is ▁not ▁clearly ▁defined . ▁Soviet ▁and ▁Russian ▁military ▁pl ann ers ▁organ ize ▁t anks ▁with ▁first ▁generation ▁of ▁t anks ▁up ▁to ▁ 1 9 4 5 , ▁and ▁four ▁gener ations ▁of ▁main ▁battle ▁t anks ▁while ▁Canadian ▁strateg ists ▁organ ize ▁main ▁battle ▁t anks ▁into ▁three ▁gener ations . ▁The ▁military ▁of ▁the ▁People ' s ▁Republic ▁of ▁China ▁also ▁recogn izes ▁three ▁gener ations ▁of ▁its ▁own ▁t anks . ▁ ▁In ▁ 1 9 8 3 , ▁R olf ▁Hil mes ▁saw ▁three ▁tank ▁gener ations ▁and ▁three ▁" inter mediate ▁gener ations ", ▁which ▁consisted ▁mainly ▁of ▁upgrad ed ▁vehicles . ▁The ▁first ▁generation ▁of ▁main ▁battle ▁t anks ▁were ▁based ▁on ▁or ▁influenced ▁by ▁designs ▁of ▁World ▁War ▁II , ▁most ▁not ably ▁the ▁T - 3 4 ▁and ▁the ▁Pan ther ▁tank . ▁The ▁second ▁generation ▁was ▁equ ipped ▁with ▁N BC ▁protection ▁( only ▁sometimes ), ▁IR ▁night ▁vision ▁devices , ▁a ▁stabil ized ▁main ▁gun ▁and ▁at ▁least ▁a ▁mechanical ▁fire ▁control ▁system . ▁The ▁third ▁generation ▁is ▁determined ▁by ▁the ▁usage ▁of ▁thermal ▁imag ers , ▁digital ▁fire