ani ▁war ▁of ▁ 1 9 6 5 ▁with ▁approximately ▁ 5 5 0 ▁guns ▁have ▁participated . ▁However ▁its ▁performance ▁was ▁critic ised ▁in ▁Bang l adesh ▁Liber ation ▁War , ▁followed ▁by ▁Ind o - P ak ist ani ▁war ▁of ▁ 1 9 7 1 , ▁where ▁it ▁failed ▁to ▁produce ▁any ▁effective ▁results . ▁ ▁After ▁the ▁ 1 9 7 1 ▁conflict , ▁the ▁Corps ▁was ▁re - organ ised ▁and ▁more ▁advance ▁courses ▁were ▁introduced . ▁Since ▁ 1 9 7 1 , ▁the ▁Regiment ▁has ▁emer ged ▁as ▁one ▁of ▁the ▁pot ent ▁combat ant ▁arms ▁in ▁the ▁Pakistan ▁Army . ▁It ▁participated ▁in ▁notable ▁operations ▁and ▁wars ▁involving ▁Pakistan ▁at ▁numerous ▁occasions ▁and ▁time ▁intervals . ▁ ▁Right ▁after ▁joining ▁art illery , ▁the ▁officers ▁and ▁personnel ▁are ▁sent ▁to ▁School ▁of ▁Art illery ▁which ▁was ▁established ▁by ▁Pakistan ▁Army ▁in ▁ 1 9 4 7 ▁at ▁Now sh era . ▁From ▁period ▁ 1 9 4 7 - 1 9 5 5 , ▁massive ▁re - organ ization ▁and ▁re - est ab lish ment ▁took ▁place ▁and , ▁on ▁ 1 1 ▁November ▁ 1 9 5 8 , ▁the ▁research ▁and ▁development ▁cell ▁was ▁placed , ▁followed ▁by ▁a ▁Physics ▁and ▁Mathemat ics ▁division ▁was ▁also ▁established ▁the ▁same ▁year . ▁Since ▁its ▁in ception , ▁all ▁personnel ▁and ▁officers ▁are ▁made ▁mand atory ▁to ▁attend ▁and ▁pass ▁these ▁courses ▁with ▁advanced ▁gr ades , ▁before ▁reaching ▁to ▁a ▁commission ed ▁service