On 13 December 1943 the regiment came under command of 251 Line of Communication Sub-Area, and by March 1944 it was part of 14th West African Anti-Aircraft Brigade under Fourteenth Army. The brigade defended the bases in Assam and the Surma Valley during the decisive battles of Imphal and Kohima. 14th West African AA Brigade moved batteries of 118th LAA Rgt up to Dimapur, and then went forward to the airfields at Imphal and Pallel as they were relieved from Japanese ground attacks.