▁S per r le . ▁ ▁In ▁the ▁late ▁afternoon ▁on ▁ 4 ▁July , ▁R AF ▁North ▁American ▁B - 2 5 ▁Mitchell ▁bom bers ▁attacked ▁Am iens . ▁To ▁counter ▁this ▁attack , ▁Jag d fl ie ger führ er ▁ 2 , ▁among ▁other ▁units , ▁dispatch ed ▁II . ▁Gruppe ▁of ▁J G   2 6 ▁head ed ▁by ▁Gall and . ▁The ▁Gruppe ▁claimed ▁four ▁aer ial ▁vict ories ▁over ▁the ▁esc ort ing ▁f igh ters , ▁including ▁a ▁Sp it fire ▁shot ▁down ▁by ▁Gall and , ▁for ▁the ▁loss ▁of ▁one ▁pilot ▁killed ▁in ▁action . ▁On ▁ 9 ▁July , ▁Gall and ▁had ▁just ▁been ▁promoted ▁to ▁Major ▁( major ), ▁and ▁claimed ▁another ▁Sp it fire ▁shot ▁down . ▁This ▁combat ▁occurred ▁over ▁Bou log ne ▁and ▁was ▁in ▁defense ▁of ▁" R am rod " ▁ 1 2 7 . ▁R AF ▁Y - st ations ▁recorded ▁the ▁communic ations ▁of ▁this ▁encounter . ▁Both ▁sides ▁claimed ▁one ▁aer ial ▁victory ▁each ▁with ▁no ▁aircraft ▁lost ▁on ▁either ▁side . ▁Gall and ▁shot ▁down ▁two ▁Republic ▁P - 4 7 ▁Th under bol t ▁f igh ters ▁from ▁the ▁ 7 8 th ▁F ighter ▁Group ▁on ▁ 1 4 ▁July . ▁The ▁first ▁was ▁claimed ▁north west ▁of ▁H es din , ▁the ▁second ▁ ▁west ▁of ▁Ét ap les . ▁The ▁next ▁day , ▁he ▁account ed ▁for ▁another ▁P - 4 7 ▁and ▁a ▁" B oston " ▁bom