▁first ▁unit ▁to ▁be ▁equ ipped ▁was ▁the ▁ 1 st ▁Motor ▁R if le ▁( ren amed ▁as ▁Arm oured ) ▁Battalion ▁of ▁the ▁ 3 3 9 th ▁Gu ards ▁Red ▁B anner ▁Bel ost ok ▁Motor ▁R if le ▁Regiment ▁of ▁the ▁ 1 2 0 th ▁Gu ards ▁Rog ache v ▁Motor ▁R if le ▁Division ▁( B elor uss ian ▁Military ▁District ), ▁which ▁tested ▁thirty ▁Ob ' ye kt ▁ 7 6 5 ▁IF V s ▁and ▁three ▁experimental ▁Ob ' ye kt ▁ 7 6 5 s . ▁ ▁B MP - 1 s ▁were ▁first ▁seen ▁by ▁the ▁West ▁during ▁the ▁ 7 ▁November ▁ 1 9 6 7 ▁military ▁para de ▁in ▁Moscow . ▁Its ▁appearance ▁created ▁a ▁stir ▁in ▁the ▁West ▁where ▁light ly ▁armed ▁A PC s ▁were ▁still ▁the ▁main ▁means ▁of ▁transport ation ▁and ▁inf antry ▁support ▁on ▁a ▁battle field . ▁ ▁In ▁the ▁Soviet ▁Army , ▁B MP - 1 s ▁were ▁typically ▁issued ▁to ▁motor ized ▁rif le ▁divisions ▁and ▁the ▁motor ized ▁rif le ▁reg iments ▁of ▁tank ▁divisions ▁where ▁they ▁replaced ▁the ▁B TR - 1 5 2 ▁whe e led ▁arm ored ▁personnel ▁car rier ▁( AP C ), ▁the ▁B TR - 5 0 P ▁and ▁some ▁B TR - 6 0 P ▁A PC s . ▁ ▁There ▁was ▁considerable ▁debate ▁among ▁Soviet ▁tank ▁special ists ▁about ▁the ▁utility ▁of ▁the ▁B MP ▁at ▁the ▁time : ▁it ▁had ▁weak ▁arm or