fe e , ▁who ▁had ▁assumed ▁command ▁of ▁the ▁ 4 th ▁Reserve ▁B n ▁on ▁his ▁return ▁from ▁Egypt ▁( see ▁above ), ▁was ▁appointed ▁to ▁command ▁ 1 st ▁Reserve ▁B n , ▁London ▁R gt . ▁ ▁Inter war ▁The ▁batt alion ▁reform ed ▁in ▁the ▁renamed ▁Territ orial ▁Army ▁on ▁ 7 ▁February ▁ 1 9 2 0 . ▁The ▁London ▁Regiment ▁having ▁been ▁abol ished ▁in ▁ 1 9 1 6 , ▁its ▁batt al ions ▁became ▁independent ▁reg iments ▁affili ated ▁to ▁their ▁former ▁Reg ular ▁reg iments . ▁Thus ▁the ▁ 4 th ▁Lond ons ▁reform ed ▁as ▁ 4 th ▁City ▁of ▁London ▁Regiment ▁( Ro yal ▁F us ili ers ), ▁once ▁again ▁in ▁ 1 st ▁London ▁Brigade . ▁ ▁In ▁the ▁coal ▁strike ▁of ▁April ▁ 1 9 2 1 ▁a ▁Def ence ▁Force ▁was ▁formed , ▁with ▁one ▁unit ▁being ▁raised ▁at ▁the ▁ 4 th ▁Lond ons ' ▁H Q , ▁joined ▁by ▁some ▁members ▁of ▁the ▁regiment . ▁This ▁last ed ▁for ▁three ▁months ▁during ▁the ▁political ▁crisis . ▁ ▁In ▁ 1 9 3 5 ▁the ▁increasing ▁need ▁for ▁anti - air craft ▁( AA ) ▁defence , ▁particularly ▁for ▁London , ▁was ▁addressed ▁by ▁converting ▁the ▁ 4 7 th ▁( 2 nd ▁London ) ▁Division ▁into ▁the ▁ 1 st ▁Anti - A ircraft ▁Division . ▁A ▁number ▁of ▁London ▁batt al ions ▁were ▁also ▁converted ▁to ▁the ▁AA ▁role , ▁the ▁ 4 th ▁Lond