▁with ▁a ▁heavy ▁internal ▁win ch . ▁Similar ▁to ▁M 8 0 6 . ▁ ▁M 1 1 3 A 1 - B - SC B ▁- ▁Car rier ▁vehicle ▁for ▁m ast - mount ed ▁battle field ▁surve ill ance ▁( Sur ve ill ance ▁de ▁Champ ▁de ▁B ata ille ) ▁rad ar ▁EL / M - 2 1 3 0 A . ▁ ▁M 1 1 3 A 1 - B - TAC P ▁- ▁Mod ified ▁command ▁post ▁vehicle ▁for ▁dedicated ▁T AC P ▁miss ions . ▁ ▁M 1 1 3 A 1 - B - V W ▁- ▁Form er ▁M IL AN ▁car rier ▁that ▁is ▁now ▁used ▁by ▁art illery ▁forward ▁obser vers . ▁It ▁retain s ▁the ▁. 5 0 cal ▁machine ▁gun ▁on ▁the ▁ 3 rd ▁cup ola ▁behind ▁the ▁driver , ▁but ▁the ▁commander ' s ▁cup ola ▁has ▁the ▁M IL AN ▁post ▁replaced ▁by ▁a ▁port able ▁las er ▁range ▁find er ▁ML R - N 6 1 . ▁ ▁A IF V ▁- ▁A ▁development ▁of ▁the ▁M 1 1 3 A 1 ▁A PC , ▁upgrad ed ▁with ▁an ▁en closed ▁tur ret ▁and ▁firing ▁ports . ▁ ▁Canada ▁ ▁AD AT S ▁Car rier ▁( A ir ▁Def ence ▁Anti - T ank ▁System ) ▁– ▁Air - def ence ▁vehicle ▁variant , ▁developed ▁collabor atively ▁between ▁Lock he ed ▁Martin ▁and ▁O er lik on ▁Cont ra ves , ▁first ▁field ed ▁by ▁the ▁Canadian