▁Leop ards ▁had ▁been ▁purchased ▁from ▁Germany ▁in ▁ 1 9 7 8 . ▁ ▁Other ▁NAT O ▁forces ▁also ▁began ▁the ▁process ▁of ▁integr ating ▁attack ▁hel ic op ters ▁into ▁their ▁forces , ▁initially ▁with ▁ad ▁h oc ▁convers ions ▁of ▁existing ▁utility ▁designs ▁like ▁the ▁West land ▁Sc out ▁and ▁MB B ▁Bo ▁ 1 0 5 . ▁ ▁See ▁also ▁ ▁Ex erc ise ▁Hell ▁T ank , ▁a ▁similar ▁British ▁Army ▁test ▁in ▁ 1 9 6 6 ▁that ▁was ▁even ▁more ▁in ▁favor ▁of ▁hel ic op ters ▁ ▁J - C ATCH , ▁testing ▁attack ▁hel ic op ters ▁against ▁f ighter ▁aircraft ▁ ▁References ▁ ▁Cit ations ▁ ▁Bibli ography ▁ ▁Further ▁reading ▁▁▁▁▁ ▁Category : Mil it ary ▁exer cis es ▁involving ▁the ▁United ▁States ▁Category : Mil it ary ▁exer cis es ▁and ▁w arg ames ▁Category : Can ad ian ▁military ▁exer cis es ▁Category : Mil it ary ▁av iation ▁exer cis es <0x0A> </s> ▁T etra con a ▁am at he alis ▁is ▁a ▁sn out ▁moth ▁in ▁the ▁sub family ▁Sp il om el inae ▁of ▁the ▁family ▁Cr amb idae . ▁It ▁was ▁described ▁by ▁Francis ▁Walker ▁in ▁ 1 8 5 9 ▁based ▁on ▁material ▁collected ▁at ▁Mor eton ▁Bay ▁in ▁Queensland , ▁Australia . ▁It ▁is ▁found ▁in ▁New ▁Guinea ▁and ▁Australia , ▁where ▁it ▁has ▁been ▁recorded ▁in ▁Queensland , ▁northern ▁New ▁South ▁Wales ▁and ▁Western ▁Australia . ▁The ▁species ▁was ▁formerly ▁placed ▁in ▁the