ian ▁air ▁power . ▁He ▁imported ▁five ▁small ▁civil ian ▁single ▁engine ▁M FI - 9 ▁plan es ▁produced ▁by ▁Mal m ö ▁Fly g indust ri , ▁at ▁that ▁time ▁owned ▁by ▁SA AB , ▁which ▁he ▁knew ▁could ▁also ▁be ▁used ▁for ▁a ▁ground ▁attack ▁role ▁in ▁war fare . ▁He ▁had ▁the ▁plan es ▁painted ▁in ▁cam ou fl age ▁colours ▁and ▁fitted ▁with ▁license ▁manufact ured ▁ 6 8 ▁mm ▁S NE B ▁type ▁rock ets , ▁and ▁proceeded ▁with ▁a ▁crew ▁of ▁two ▁Sw edes ▁and ▁two ▁B ia fr ans ▁to ▁form ▁a ▁squad ron ▁called ▁' B ia fra ▁Bab ies ' ▁to ▁strike ▁the ▁air ▁fields ▁from ▁which ▁the ▁federal ▁Niger ian ▁Air ▁Force ▁launched ▁their ▁attacks ▁against ▁the ▁civil ian ▁population ▁in ▁B ia fra . ▁On ▁ 2 2 ▁May ▁ 1 9 6 9 , ▁and ▁over ▁the ▁next ▁few ▁days , ▁von ▁Rosen ▁and ▁his ▁five ▁aircraft ▁launched ▁attacks ▁against ▁Niger ian ▁air ▁fields ▁at ▁Port ▁Har court , ▁En ug u , ▁Ben in ▁and ▁other ▁small ▁air ports . ▁The ▁Niger ians ▁were ▁taken ▁by ▁surprise ▁and ▁a ▁number ▁of ▁expensive ▁j ets , ▁including ▁a ▁few ▁Mi G - 1 7 ▁f igh ters ▁and ▁three ▁out ▁of ▁Niger ia ' s ▁six ▁I ly ush in ▁Il - 2 8 ▁bom bers , ▁were ▁destroyed ▁on ▁the ▁ground . ▁ ▁Despite ▁his ▁controvers ial ▁methods , ▁Count ▁von ▁Rosen ▁would ▁later ▁be ▁remembered ▁for ▁his ▁efforts ▁to