th ▁L AA ▁R gt ▁new ▁unit ▁formed ▁December ▁ 1 9 4 0 , ▁joined ▁Spring ▁ 1 9 4 1 , ▁to ▁ 5 6 ▁AA ▁B de ▁January ▁ 1 9 4 2 ▁▁ 1 9 9 , ▁ 2 0 6 , ▁ 2 0 7 ▁L AA ▁B t ys ▁ 1 2 9 th ▁( 1 st ▁Sur rey ▁R if les ) ▁L AA ▁R gt ▁joined ▁June ▁ 1 9 4 2 , ▁to ▁ 7 1 ▁AA ▁B de ▁September ▁ 1 9 4 2 ▁▁ 4 2 5 , ▁ 4 2 6 , ▁ 4 2 7 , ▁ 4 5 5 ▁L AA ▁B t ys ▁ 1 3 2 nd ▁L AA ▁R gt ▁from ▁ 7 1 ▁AA ▁B de ▁July ▁ 1 9 4 2 ▁▁ 4 3 6 ▁H AA ▁B ty ▁Att ached ▁to ▁ 3 8 ▁AA ▁B de ▁▁ 4 3 7 , ▁ 4 3 8 , ▁ 4 3 9 ▁L AA ▁B t ys ▁ 1 4 3 rd ▁L AA ▁R gt ▁new ▁unit ▁formed ▁October ▁ 1 9 4 2 ; ▁left ▁by ▁March ▁ 1 9 4 3 ▁▁ 4 0 3 , ▁ 4 1 0 , ▁ 4 1 3 , ▁ 4 8 4 ▁L AA ▁B t ys ▁ 1 2 th ▁( M ixed ) ▁AA ▁' Z ' ▁R gt ▁Z ▁B atter y ▁AA ▁ro cket ▁unit ▁joined ▁from ▁ 5