) ▁was ▁a ▁British ▁night ▁f ighter ▁pilot , ▁flying ▁ace — a ▁title ▁awarded ▁to ▁a ▁pilot ▁cred ited ▁with ▁shooting ▁down ▁at ▁least ▁five ▁enemy ▁aircraft ▁in ▁aer ial ▁combat — and ▁a ▁highly ▁decor ated ▁British ▁air man ▁of ▁the ▁Second ▁World ▁War . ▁As ▁a ▁Beau fig h ter ▁night - fig h ter ▁pilot ▁between ▁ 1 3 ▁March ▁and ▁ 9 ▁July ▁ 1 9 4 1 , ▁he ▁was ▁cred ited ▁with ▁seven ▁aer ial ▁vict ories , ▁one ▁probable ▁and ▁one ▁dam aged . ▁ ▁Ch ish ol m ▁had ▁been ▁a ▁night ▁f ighter ▁pilot ▁with ▁No . ▁ 6 0 4 ▁Squadron ▁R AF , ▁flying ▁the ▁Br istol ▁Beau fig h ter . ▁During ▁the ▁war , ▁he ▁had ▁been ▁cred ited ▁with ▁seven ▁night ▁aer ial ▁vict ories , ▁one ▁probable ▁and ▁one ▁dam aged ▁in ▁ 1 9 4 1 . ▁Following ▁a ▁rest ▁period , ▁he ▁returned ▁to ▁operations ▁briefly ▁in ▁ 1 9 4 3 ▁ending ▁his ▁combat ▁career ▁with ▁nine ▁vict ories . ▁Ch ish ol m ▁champion ed ▁rad ar - equ ipped ▁night ▁f ighter ▁intr uder ▁operations ▁over ▁Europe ▁to ▁apply ▁pressure ▁to ▁the ▁German ▁air ▁defence ▁system ▁and ▁reduce ▁losses ▁to ▁Bom ber ▁Command . ▁He ▁was ▁appointed ▁to ▁the ▁staff ▁of ▁a ▁new ▁organisation , ▁named ▁No . ▁ 1 0 0 ▁Group ▁R AF , ▁created ▁in ▁ 1 9 4 3 ▁for ▁this ▁purpose . ▁As ▁second ▁in ▁command ▁of