 As the flow of new AA units from the training centres continued, experienced units began to be prepared for overseas service, and 70th (3rd West Lancs) was one of those chosen in early 1942.The establishment of an HAA Rgt in the field was only three batteries, so on 13 March, 434 HAA Bty transferred to 108th HAA Rgt in the Orkney and Shetland Defences.Then 70th HAA embarked for India with 211, 212 and 216 HAA Btys.