. ▁It ▁was ▁not ▁clear ▁this ▁was ▁suitable ▁in ▁an ▁arm or - he avy ▁battle ▁expected ▁in ▁Europe , ▁so ▁the ▁same ▁set ups ▁were ▁repeated ▁with ▁two ▁Cob ras ▁and ▁no ▁K io has . ▁Gr oups ▁of ▁three ▁Leop ards ▁with ▁one ▁V ul can ▁attempted ▁to ▁move ▁forward ▁against ▁this ▁opposition . ▁Three ▁separate ▁scenarios ▁were ▁tri aled . ▁In ▁the ▁first , ▁the ▁hel ic op ters ▁were ▁working ▁in ▁concert ▁with ▁in - place ▁def ensive ▁forces , ▁acting ▁as ▁additional ▁anti - t ank ▁weapons . ▁In ▁the ▁second , ▁the ▁goal ▁was ▁to ▁delay ▁an ▁attack ing ▁force ▁to ▁give ▁time ▁for ▁other ▁forces ▁to ▁get ▁into ▁position ▁to ▁defend ▁against ▁them . ▁In ▁the ▁third , ▁the ▁hel ic op ters ▁were ▁being ▁sent ▁against ▁a ▁successful ▁arm ored ▁break through ▁with ▁the ▁goal ▁being ▁to ▁kill ▁as ▁many ▁vehicles ▁as ▁possible . ▁A ▁total ▁of ▁ 6 0 ▁trial ▁runs ▁were ▁conducted . ▁ ▁In ▁the ▁break out ▁scenario , ▁the ▁hel ic op ters ▁benef ited ▁from ▁a ▁lack ▁of ▁information ▁on ▁the ▁part ▁of ▁the ▁attack ers , ▁which ▁were ▁repeatedly ▁engaged ▁at ▁long ▁range ▁and ▁often ▁had ▁no ▁idea ▁there ▁was ▁a ▁hel ic opter ▁nearby . ▁The ▁value ▁of ▁the ▁h unter / k iller ▁teams , ▁in ▁this ▁case , ▁was ▁clear ▁in ▁the ▁results ; ▁when ▁acting ▁alone ▁in ▁this ▁scenario , ▁the ▁attack ▁hel ic op ters ▁often ▁bl under ed ▁into ▁the ▁t anks ▁and