anks . ▁Those ▁described ▁as ▁" Th ird ▁Generation ▁Advanced " ▁are ▁normally ▁upgrad ed ▁variants ▁using ▁the ▁same ▁framework ▁of ▁the ▁standard ▁third ▁generation ▁tank . ▁They ▁have ▁their ▁adv anc ements ▁built ▁into ▁existing ▁or ▁newly ▁designed ▁frames ▁than ▁being ▁an ▁add - on ▁technology . ▁Those ▁described ▁as ▁" Next ▁Generation " ▁have ▁had ▁their ▁t anks ▁and ▁their ▁advanced ▁features ▁designed ▁and ▁built ▁from ▁scratch ▁and ▁are ▁not ▁considered ▁up gr ades ▁of ▁previous ▁existing ▁t anks . ▁ ▁Four th ▁generation / Next ▁Generation ▁Next ▁Generation ▁or ▁Four th ▁generation ▁t anks ▁are ▁still ▁under ▁development ▁or ▁at ▁early ▁stages ▁of ▁their ▁generation . ▁While ▁the ▁term ▁' ( F our th ) ▁Next ▁generation ' ▁has ▁no ▁formal ▁basis , ▁these ▁main ▁battle ▁t anks ▁are ▁using ▁the ▁latest ▁technology ▁and ▁designs ▁to ▁comp ete ▁with ▁the ▁current ▁advanced ▁war fare ▁environment . ▁ ▁See ▁also ▁ ▁Future ▁Com bat ▁Systems ▁ ▁Future ▁Com bat ▁Systems ▁Mann ed ▁Gr ound ▁Ve h icles ▁ ▁AS M ▁Program ▁( Cancel led ▁due ▁to ▁the ▁end ▁of ▁the ▁Cold ▁War ) ▁ ▁Future ▁Force ▁Unit ▁of ▁Action ▁ ▁List ▁of ▁U . S . ▁military ▁vehicles ▁by ▁model ▁number ▁ ▁List ▁of ▁main ▁battle ▁t anks ▁by ▁country ▁ ▁List ▁of ▁arm oured ▁fighting ▁vehicles ▁ ▁List ▁of ▁modern ▁arm oured ▁fighting ▁vehicles ▁ ▁Arm oured ▁fighting ▁vehicle ▁classification ▁ ▁List ▁of ▁arm oured ▁trains ▁ ▁Im pro vised ▁fighting ▁vehicle ▁ ▁Infantry ▁fighting ▁vehicle ▁( IF V )