T k ) ▁as ▁well ▁as ▁AA ▁defence ▁until ▁special ist ▁A / T k ▁units ▁arrived . ▁This ▁was ▁repeated ▁when ▁German ▁t anks ▁were ▁reported ▁in ▁the ▁vic inity ▁after ▁the ▁Battle ▁of ▁K asser ine ▁Pass , ▁and ▁soon ▁the ▁regiment ▁was ▁running ▁courses ▁in ▁A / T k ▁g unn ery . ▁▁ 2 2 ▁AA ▁Brigade ▁re organ ised ▁its ▁commit ments ▁during ▁April : ▁ 1 9 4 ▁H AA ▁B ty ▁came ▁under ▁the ▁command ▁of ▁ 1 st ▁Arm oured ▁Division ▁at ▁Sou k - el - Ar ba ▁Air field , ▁ 2 5 0 ▁H AA ▁B ty ▁went ▁back ▁to ▁Sou k - el - K hem is ▁air field ▁to ▁support ▁No . ▁ 2 4 2 ▁Group ▁R AF ▁under ▁the ▁command ▁of ▁ 7 1 st ▁( F orth ) ▁H AA ▁R gt , ▁and ▁ 2 5 2 ▁H AA ▁B ty ▁was ▁under ▁ 7 8 th ▁Division , ▁thus ▁leaving ▁R H Q ▁( which ▁moved ▁to ▁Med je z ▁el ▁Bab ) ▁with ▁no ▁batter ies ▁under ▁its ▁command . ▁There ▁was ▁still ▁considerable ▁Luft wa ffe ▁activity , ▁and ▁the ▁batter ies ▁scored ▁a ▁number ▁of ▁' k ills '. ▁On ▁ 1 ▁May ▁ 1 9 4 ▁and ▁ 2 5 2 ▁H AA ▁B t ys ▁returned ▁to ▁regiment al ▁command , ▁in ▁support ▁of ▁ 7 th ▁and ▁ 6 th ▁Arm oured ▁Div isions ▁respectively . ▁These ▁form ations