▁of ▁Staff : ▁Colonel ▁Michael ▁P . ▁Wagner ▁Command ▁Serge ant ▁Major : ▁Command ▁Serge ant ▁Major ▁Robert ▁H . ▁C obb ▁ ▁Units ▁ ▁The ▁division ▁has ▁been ▁re organ ized ▁under ▁the ▁new ▁mod ular ▁design ▁after ▁moving ▁to ▁Fort ▁Bl iss , ▁in ▁which ▁the ▁deploy able ▁unit ▁of ▁man eu ver ▁is ▁a ▁brig ade ▁rather ▁than ▁a ▁division . ▁It ▁consists ▁of ▁a ▁Division ▁Head quarters ▁and ▁Head quarters ▁Battalion ▁( D HH B ), ▁three ▁Arm ored ▁Brigade ▁Com bat ▁Teams ▁( AB CT s ), ▁a ▁Com bat ▁A viation ▁Brigade ▁( C AB ), ▁a ▁Division ▁Art illery ▁( DI V ART Y ), ▁and ▁a ▁S ust ain ment ▁Brigade . ▁Field ▁Art illery ▁Batt al ions ▁are ▁assigned ▁to ▁their ▁respective ▁Brigade ▁Com bat ▁Teams . ▁ ▁The ▁division ' s ▁ 3 rd ▁Infantry ▁Brigade ▁Com bat ▁Team ▁was ▁de activ ated ▁after ▁leaving ▁Afghan istan ▁in ▁spring ▁ 2 0 1 5 , ▁and ▁its ▁man eu ver ▁batt al ions ▁were ▁re ass igned ▁to ▁the ▁remaining ▁three ▁brig ade ▁combat ▁teams ; ▁subsequently ▁the ▁division ' s ▁ 4 th ▁Arm ored ▁Brigade ▁Com bat ▁Team ▁was ▁re - flag ged ▁as ▁ 3 rd ▁Arm ored ▁Brigade ▁Com bat ▁Team . ▁▁ 1 st ▁Arm ored ▁Division ▁consists ▁of ▁the ▁following ▁elements : ▁ ▁Division ▁Head quarters ▁and ▁Head quarters ▁Battalion ▁( D HH B ) ▁" G lad i ator " ▁ ▁Head quarters ▁and ▁Support ▁Company