 Complete the following phrase:  While the rest of the regiment remained in AA Command during the Phoney War period, 43 CoLY LAA Bty, then at Chingford and Great Bromley, left on 15 February, and along with 44 LAA Bty from 12th Finsbury Rifles LAA Rgt it joined 60th Royal Welch Fusiliers Anti-Tank Rgt to form 101st LAAAT Rgt. This composite unit, the first of its kind, was part of 1st Support Group 1st Sp Gp in 1st Armoured Division, which was rushed to France to join the BEF after the German invasion of the Low Countries. Armed only with Lewis guns, its Bofors not having arrived, 43 CoLY LAA Bty fought in the 