- hit ▁with ▁the ▁engine ▁still ▁running . ▁In ▁another ▁case , ▁a ▁tank ▁crew ▁back ed ▁their ▁tank ▁into ▁a ▁house ▁to ▁avoid ▁attack , ▁only ▁to ▁be ▁destroyed ▁by ▁a ▁TO W ▁fired ▁in ▁through ▁a ▁window . ▁By ▁the ▁time ▁the ▁battle ▁ended ▁on ▁ 1 2 ▁June , ▁they ▁had ▁account ed ▁for ▁ 2 4 ▁t anks , ▁ 2 ▁A PC s , ▁ 7 ▁tr uck s , ▁a ▁tw in ▁ 2 3   mm ▁anti - air craft ▁gun , ▁a ▁ 1 2 2   mm ▁ro cket ▁launch er ▁and ▁many ▁other ▁targets . ▁ ▁The ▁two ▁hel ic op ters ▁remained ▁until ▁ 1 4 ▁October , ▁by ▁which ▁point ▁they ▁had ▁fired ▁ 8 5 ▁TO W s ▁to ▁produce ▁ 2 6 ▁confirmed ▁tank ▁k ills , ▁ 3 ▁sus pected ▁tank ▁k ills , ▁ 1 5 ▁whe e led ▁vehicles ▁destroyed , ▁and ▁ 3 3 ▁other ▁point ▁targets ▁hit . ▁During ▁this ▁entire ▁time , ▁neither ▁hel ic opter ▁received ▁a ▁single ▁hit . ▁ ▁Canadian ▁interest ▁In ▁ 1 9 6 9 , ▁Pierre ▁Tru de au ' s ▁Cab inet ▁of ▁Canada ▁called ▁into ▁question ▁the ▁Canadian ▁Army ' s ▁force ▁structure ▁in ▁Europe , ▁which ▁was ▁an ▁expensive ▁cont ing ent ▁to ▁maintain ▁given ▁its ▁low ▁expected ▁lifetime ▁in ▁combat . ▁The ▁existing ▁tank ▁support , ▁based ▁on ▁the ▁Cent ur ion , ▁was ▁ob sole te ▁and ▁needed ▁replacement . ▁W ishing