▁further ▁Sp it f ires ▁shot ▁down ▁west - n orth west ▁of ▁the ▁Som me ▁Est u ary ▁on ▁ 3 1 ▁July . ▁His ▁oppon ents ▁were ▁f igh ters ▁from ▁either ▁No . ▁ 1 2 1 ▁or ▁No . ▁ 3 3 2 ▁Squadron . ▁ ▁During ▁the ▁Die ppe ▁Ra id ▁on ▁ 1 9 ▁August , ▁ 5 . ▁Staff el ▁head ed ▁by ▁Gall and ▁was ▁sc ram bled ▁from ▁Ab be ville ▁at ▁ 0 6 : 3 0 . ▁At ▁ 0 6 : 4 3 , ▁ 5 . ▁Staff el ▁engaged ▁f igh ters ▁from ▁the ▁Horn ch urch ▁Wing , ▁claim ing ▁one ▁Sp it fire ▁shot ▁down . ▁At ▁ 0 7 : 4 9 , ▁Gall and ▁led ▁his ▁Staff el ▁on ▁the ▁second ▁mission ▁of ▁the ▁day ▁and ▁encountered ▁f igh ters ▁from ▁the ▁North ▁We ald ▁Wing ▁just ▁north ▁Die ppe . ▁At ▁ 0 7 : 5 5 , ▁Gall and ▁was ▁cred ited ▁with ▁the ▁destruction ▁of ▁a ▁Sp it fire , ▁the ▁aircraft ▁coming ▁from ▁either ▁No . ▁ 2 4 2 , ▁No . ▁ 3 3 1 ▁or ▁No . ▁ 3 3 2 ▁Squadron . ▁In ▁the ▁afternoon , ▁Gall and ▁led ▁a ▁flight ▁of ▁four ▁F w   1 9 0 ▁to ▁Die ppe . ▁T aking ▁off ▁at ▁Ab be ville ▁at ▁ 1 7 : 2 4 , ▁Gall and ▁found ▁the ▁combat ▁zone ▁at ▁Die ppe ▁desert