▁( RI SE ) ▁up gr ades . ▁ ▁X M 7 3 4 : ▁Mechan ized ▁Infantry ▁Com bat ▁Ve h icle ▁( M IC V ) ▁prototype . ▁Vari ant ▁of ▁the ▁standard ▁M 1 1 3 A 1 ▁A PC ▁with ▁four ▁firing ▁ports ▁and ▁vision ▁blocks ▁on ▁each ▁side ▁of ▁the ▁h ull . ▁ ▁X M 7 4 1 / M 7 4 1 : ▁Car rier ▁vehicle ▁for ▁the ▁M 1 6 3 ▁V ul can ▁Air ▁Def ense ▁System ▁( V AD S ). ▁ ▁M 7 5 2 : ▁M GM - 5 2 ▁L ance ▁miss ile ▁launch er . ▁M 6 6 7 ▁with ▁L ance ▁launch ▁fi xture . ▁ ▁X M 8 0 6 / X M 8 0 6 E 1 : ▁Arm ored ▁recovery ▁vehicle ▁variant ▁with ▁win ch ▁in ▁rear ▁compart ment . ▁ ▁M 9 0 1 ▁Im pro ved ▁TO W ▁Ve h icle ▁( IT V ): ▁M 1 1 3 A 1 ▁with ▁dual ▁M 2 2 0 A 1 ▁launch ers ▁for ▁the ▁TO W ▁anti - t ank ▁miss ile . ▁ ▁M 9 0 1 A 1 : ▁M 2 2 0 A 2 ▁launch er ▁perm itting ▁the ▁use ▁of ▁the ▁TO W ▁ 2 ▁anti - t ank ▁miss ile . ▁ ▁M 9 0 1 A 2 : ▁Vari ant ▁with ▁unknown ▁differences , ▁possibly ▁M 9 0 1 s ▁brought ▁up ▁to ▁M 9 0 1 A