am pton ▁during ▁the ▁winter ▁of ▁ 1 9 4 0 – 4 1 . ▁ ▁The ▁regiment ▁provided ▁a ▁cadre ▁of ▁experienced ▁officers ▁and ▁other ▁ranks ▁as ▁the ▁basis ▁for ▁a ▁new ▁ 4 1 2 ▁H AA ▁B ty ▁formed ▁on ▁ 1 6 ▁January ▁ 1 9 4 1 ▁at ▁ 2 0 9 th ▁H AA ▁Training ▁R gt , ▁B land ford ; ▁this ▁battery ▁later ▁joined ▁ 1 2 4 th ▁H AA ▁R gt ▁ ▁In ▁late ▁February ▁ 1 9 4 1 , ▁while ▁the ▁Bl itz ▁was ▁still ▁continu ing , ▁ 2 4 9 ▁H AA ▁B ty ▁was ▁ro ster ed ▁for ▁over se as ▁service ▁and ▁transferred ▁to ▁the ▁War ▁Office ▁Reserve , ▁followed ▁a ▁few ▁weeks ▁later ▁by ▁the ▁rest ▁of ▁the ▁regiment , ▁though ▁it ▁tempor arily ▁remained ▁part ▁of ▁AA ▁Command . ▁▁ 2 4 9 ▁( B erk shire ▁R HA ) ▁H AA ▁B ty ▁ ▁An ▁advanced ▁party ▁of ▁ 2 4 9 ▁( B erk shire ▁R HA ) ▁H AA ▁B ty ▁arrived ▁in ▁I cel and ▁in ▁March ▁ 1 9 4 1 , ▁followed ▁by ▁the ▁main ▁body ▁with ▁four ▁ 3 . 7 - inch ▁guns . ▁It ▁was ▁there ▁to ▁rein force ▁the ▁AA ▁coverage ▁for ▁' Al ab aster ▁Force ', ▁which ▁had ▁occupied ▁the ▁island ▁since ▁May ▁ 1 9 4 0 ▁to ▁den y ▁it ▁to ▁German ▁forces . ▁There ▁was ▁little ▁action ▁apart ▁from ▁occas