▁W PT / D TP ▁" M ors " ▁arm ored ▁recovery ▁vehicles ▁( AR V s ), ▁based ▁on ▁the ▁Op al ▁track ed , ▁am ph ib ious ▁multi - pur pose ▁A PC ▁are ▁used ▁to ▁recover ▁dam aged ▁B WP - 1 s ▁as ▁well ▁as ▁other ▁track ed ▁vehicles ▁we igh ing ▁less ▁than ▁ 1 4 ▁t onnes . ▁W Z T - 2 ▁( AR V ) s ▁are ▁also ▁used ▁for ▁this ▁task . ▁ ▁Polish ▁military ▁special ists ▁consider ▁the ▁B WP - 1 ▁to ▁be ▁ob sole te . ▁Before ▁the ▁political ▁changes ▁of ▁ 1 9 8 9 , ▁the ▁Polish ▁Army ▁planned ▁to ▁replace ▁its ▁B WP - 1 s ▁with ▁B WP - 2 s ▁but ▁financial ▁problems ▁resulted ▁in ▁just ▁ 6 2 ▁vehicles ▁being ▁purchased . ▁Ob tain ing ▁sufficient ▁numbers ▁became ▁impossible , ▁Poland ▁was ▁forced ▁to ▁abandon ▁the ▁plan . ▁The ▁vehicles ▁that ▁had ▁been ▁bought ▁were ▁sold ▁in ▁ 1 9 9 5 ▁to ▁Ang ola . ▁The ▁Polish ▁Army ▁is ▁planning ▁to ▁upgrade ▁a ▁number ▁of ▁its ▁B WP - 1 s ▁to ▁B WP - 1 M ▁" P uma " ▁standard , ▁which ▁is ▁a ▁modern ization ▁developed ▁in ▁ 1 9 9 9 ▁by ▁the ▁Woj sk owe ▁Zak ł ady ▁Mot ory z acyj ne ▁Nr . ▁ 5 ▁( W Z M ▁Nr . ▁ 5 ) ▁( Mil it ary ▁Motor ization ▁Plant ▁No . ▁ 5 )