/ L ▁R gt . ▁This ▁battery ▁was ▁then ▁regiment ed ▁with ▁ 6 6 th ▁S / L ▁R gt ▁on ▁ 5 ▁May ▁ 1 9 4 1 . ▁At ▁his ▁time ▁ 4 4 7 / 6 6 ▁S / L ▁B ty ▁was ▁tempor arily ▁attached ▁to ▁the ▁neighbour ing ▁ 6 4 ▁AA ▁B de . ▁Then ▁a ▁new ▁ 6 9 ▁AA ▁B de ▁was ▁formed , ▁and ▁on ▁ 1 ▁September ▁it ▁took ▁over ▁command ▁of ▁ 4 6 ▁AA ▁B de ' s ▁S / L ▁units , ▁including ▁ 6 6 th ▁S / L ▁R gt , ▁which ▁was ▁re deploy ed ▁to ▁new ▁sites . ▁By ▁October ▁the ▁avail ability ▁of ▁S LC ▁rad ar ▁was ▁sufficient ▁to ▁allow ▁AA ▁Command ' s ▁S / L ▁sites ▁to ▁be ▁' de cluster ed ' ▁into ▁single - light ▁sites ▁spac ed ▁at ▁ ▁intervals ▁in ▁' Indicator ▁Bel ts ' ▁along ▁the ▁coast ▁and ▁approaches ▁to ▁the ▁G D As , ▁and ▁' K iller ▁Bel ts ' ▁at ▁ ▁spacing ▁to ▁co oper ate ▁with ▁the ▁R AF ' s ▁night - fig h ters . ▁ ▁Early ▁in ▁ 1 9 4 2 ▁the ▁Luft wa ffe ▁began ▁a ▁new ▁wave ▁of ▁attacks ▁on ▁British ▁cities ▁( the ▁Ba ed ek er ▁Bl itz ). ▁These ▁concentr ated ▁on ▁light ly ▁def ended ▁targets ▁and ▁avoided ▁the ▁known ▁G D As ▁like ▁Br istol , ▁but ▁nearby ▁Bath ▁was ▁hit