0 % ▁based ▁on ▁reviews ▁from ▁ 2 0 ▁critics , ▁with ▁an ▁average ▁rating ▁of ▁ 5 . 5 ▁out ▁of ▁ 1 0 . On ▁Met ac rit ic ▁the ▁film ▁has ▁a ▁score ▁of ▁ 4 9 % ▁based ▁on ▁reviews ▁from ▁ 9 ▁critics ▁( 2 ▁positive , ▁ 7 ▁mixed ). ▁▁ ▁O wen ▁G le iber man ▁of ▁The ▁A . V . ▁Club ▁gave ▁Ger ry m and ering ▁a ▁C ▁- ▁and ▁Entertainment ▁Week ly ▁gave ▁the ▁document ary ▁a ▁B + . ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁▁▁▁▁▁▁ ▁Category : 2 0 1 0 ▁films ▁Category : American ▁films ▁Category : English - language ▁films ▁Category : 2 0 1 0 ▁document ary ▁films ▁Category : American ▁document ary ▁films ▁Category : Document ary ▁films ▁about ▁American ▁politics ▁Category : G er ry m and ering <0x0A> </s> ▁The ▁Vor ne , ▁or ▁V K ▁ 4 5 0 2 ▁( P ) ▁Aus f . ▁A , ▁is ▁a ▁tank ▁designed ▁by ▁Ferdinand ▁Por sche ▁to ▁comp ete ▁with ▁H ensch el ' s ▁design , ▁alongside ▁the ▁Aus f . ▁B ▁version ▁of ▁the ▁tank . ▁The ▁H ensch el ▁design ▁was ▁selected ▁for ▁production , ▁but ▁never ▁reached ▁the ▁prototype ▁phase . ▁ ▁Por sche ▁was ▁confident ▁that ▁his ▁design ▁would ▁win ▁a ▁contract ▁for ▁production ▁and ▁so ▁he ▁ordered ▁Kru pp ▁to ▁produce ▁ 5 0 ▁tur rets ▁for ▁the ▁tank . ▁These ▁tur rets ▁were ▁used ▁on ▁the ▁first