▁aircraft : ▁seven ▁J unk ers ▁Ju ▁ 8 7 ▁' St uk as ', ▁together ▁with ▁two ▁Mess ersch mitt ▁B f ▁ 1 0 9 s ▁and ▁a ▁D orn ier ▁Do ▁ 2 1 5 . ▁During ▁this ▁period ▁ 6 ▁AA ▁Division ▁was ▁placed ▁under ▁the ▁oper ational ▁control ▁of ▁No . ▁ 1 1 ▁Group ▁R AF , ▁which ▁remained ▁the ▁case ▁for ▁the ▁rest ▁of ▁the ▁war . ▁Dec isions ▁as ▁to ▁whether ▁or ▁not ▁the ▁guns ▁could ▁fire ▁were ▁made ▁at ▁the ▁lower ▁level ▁sector ▁operations ▁rooms , ▁an ▁army ▁officer ▁sat ▁beside ▁each ▁f ighter ▁controller ▁and ▁directed ▁the ▁gun ▁cre ws ▁when ▁to ▁open ▁and ▁ce ase ▁fire . ▁This ▁was ▁to ▁ensure ▁that ▁anti - air craft ▁guns ▁would ▁not ▁be ▁firing ▁when ▁British ▁f ighter ▁aircraft ▁were ▁li able ▁to ▁be ▁hit . ▁ ▁The ▁brig ade ▁was ▁heavily ▁engaged ▁throughout ▁the ▁Battle ▁of ▁Britain . ▁On ▁ 1 8 ▁August , ▁for ▁example , ▁German ▁air ▁ra ids ▁appeared ▁over ▁R AF ▁air fields ▁at ▁West ▁Mall ing , ▁Man ston , ▁Ken ley , ▁Big gin ▁Hill , ▁Gra ves end ▁and ▁the ▁town ▁of ▁Seven o aks , ▁all ▁within ▁four ▁and ▁a ▁half ▁hours ▁in ▁the ▁afternoon . ▁The ▁guns ▁of ▁ 2 8 ▁AA ▁B de ▁and ▁its ▁neighb ours ▁were ▁in ▁action ▁and ▁claimed ▁ 2 3 ▁German ▁aircraft ▁shot ▁down . ▁Four ▁days ▁later ▁a ▁mass ▁ra id ▁fle w ▁up ▁the ▁Th ames ▁Est