4 ▁H AA ▁B ty ) ▁and ▁ 5 8 th ▁( K ent ) ▁H AA ▁R gt ▁sending ▁two ; ▁ 2 5 0 ▁H AA ▁B atter y ▁was ▁among ▁the ▁follow - up ▁e ch el ons . ▁Adv ance ▁AA ▁parties ▁land ed ▁with ▁the ▁assault ▁troops ▁on ▁be aches ▁outside ▁Al gi ers ▁on ▁ 8 ▁November , ▁to ▁be ▁followed ▁later ▁by ▁their ▁heavy ▁equipment . ▁The ▁H AA ▁batter ies ▁were ▁equ ipped ▁with ▁the ▁older ▁ 3 - inch ▁gun ▁on ▁a ▁modern ised ▁tra iler , ▁rather ▁than ▁the ▁newer ▁ 3 . 7 - inch , ▁because ▁the ▁l ighter ▁ 3 - inch ▁was ▁easier ▁and ▁quick er ▁to ▁deploy ▁in ▁the ▁rough ▁country ▁anticip ated ▁for ▁the ▁campaign . ▁After ▁the ▁initial ▁fighting , ▁in ▁which ▁ 1 9 4 ▁H AA ▁B ty ▁suffered ▁a ▁number ▁of ▁cas ual ties , ▁ 2 2 ▁AA ▁B de ▁accompanied ▁the ▁leading ▁elements ▁of ▁First ▁Army ▁on ▁their ▁long ▁march ▁east wards ▁towards ▁Tun is ia , ▁although ▁the ▁whole ▁AA ▁deployment ▁was ▁ham per ed ▁by ▁con g estion ▁at ▁Al gi ers ▁do cks ▁and ▁the ▁fact ▁that ▁AA ▁guns ▁had ▁been ▁given ▁low ▁priority ▁in ▁loading ▁the ▁supply ▁ships . ▁The ▁follow - up ▁elements ▁suffered ▁cas ual ties ▁of ▁men ▁and ▁equipment ▁when ▁their ▁ships ▁were ▁attacked ▁on ▁the ▁way ▁to ▁North ▁Africa : ▁ 8 0 th ▁H AA ▁R gt ▁lost ▁ 7 1 ▁men