▁in ▁Northern ▁France ▁were ▁over run ▁by ▁ 2 1 st ▁Army ▁Group . ▁The ▁Luft wa ffe ▁then ▁began ▁launch ing ▁the ▁miss iles ▁from ▁aircraft ▁over ▁the ▁North ▁Sea , ▁and ▁on ▁ 2 1 ▁September ▁AA ▁Command ▁ordered ▁a ▁major ▁re deploy ment ▁of ▁AA ▁def ences ▁to ▁East ▁Ang lia ▁from ▁other ▁parts ▁of ▁the ▁country , ▁including ▁Br istol , ▁where ▁ 3 ▁AA ▁Group ▁H Q ▁and ▁ 6 6 th ▁S / L ▁R gt ▁were ▁moved ▁across . ▁On ▁ 2 3 ▁September ▁the ▁regiment ▁was ▁rein for ced ▁by ▁E ▁Tr p ▁of ▁the ▁dis band ing ▁ 4 6 1 ▁S / L ▁B ty ▁of ▁ 7 0 th ▁( S us sex ) ▁S / L ▁R gt , ▁which ▁joined ▁as ▁E / 4 4 8 ▁Tr p . ▁On ▁arrival , ▁ 6 6 th ▁S / L ▁R gt ▁joined ▁ 5 6 ▁AA ▁Brigade ▁in ▁ 1 ▁AA ▁G p . ▁So ▁many ▁units ▁were ▁crow ded ▁into ▁Eastern ▁England ▁that ▁a ▁new ▁H Q , ▁ 9 ▁AA ▁G p , ▁was ▁created ▁to ▁control ▁the ▁def ences ▁of ▁East ▁Ang lia , ▁including ▁ 5 6 ▁AA ▁B de . ▁This ▁second ▁phase ▁of ▁V - 1 ▁attacks ▁ended ▁in ▁mid - J anu ary ▁ 1 9 4 5 . ▁AA ▁Command ' s ▁success ▁rate ▁in ▁this ▁phase ▁was ▁impress ive : ▁out ▁of ▁a ▁total ▁of ▁ 4 9 2 ▁V -