. ▁Sch n au fer , ▁with ▁Bar o ▁as ▁his ▁radio ▁operator , ▁shot ▁down ▁a ▁No . ▁ 2 1 4 ▁Squadron ▁Short ▁St ir ling ▁R 9 2 4 2 ▁at ▁ 0 2 : 1 4 ▁on ▁ 1 4 ▁May ▁ 1 9 4 3 ▁on ▁an ▁attack ▁mission ▁against ▁Bo ch um . ▁Four ▁members ▁of ▁the ▁crew , ▁including ▁pilot ▁Serge ant ▁Raymond ▁Gib ney , ▁lost ▁their ▁lives . ▁His ▁next ▁victory ▁on ▁the ▁same ▁mission ▁at ▁ 0 3 : 0 7 , ▁his ▁ 9 th ▁overall , ▁was ▁a ▁No . ▁ 9 8 ▁Squadron ▁Hal if ax ▁J B 8 7 3 ▁returning ▁from ▁Bo ch um . ▁The ▁captain , ▁Serge ant ▁G . ▁D ane ▁and ▁co - p il ot ▁Serge ant ▁J . ▁H . ▁Body ▁were ▁killed ▁in ▁the ▁crash . ▁On ▁the ▁night ▁of ▁ 2 9 / 3 0 ▁May , ▁Bom ber ▁Command ▁attacked ▁W upp ert al . ▁Sch n au fer ▁and ▁Bar o ▁took ▁off ▁on ▁the ▁first ▁wave ▁at ▁ 2 3 : 5 1 ▁on ▁ 2 9 ▁May ▁and ▁returned ▁at ▁ 0 2 : 3 1 ▁on ▁the ▁ 3 0 ▁May . ▁They ▁shot ▁down ▁two ▁St irl ings , ▁one ▁at ▁ 0 0 : 4 8 ▁and ▁the ▁other ▁at ▁ 0 2 : 2 2 , ▁and ▁one ▁Hal if ax ▁at ▁ 0 1 : 4 3 . ▁The ▁first ▁St