 6 AA Group HQ moved to the south of England to defend the embarkation ports for Operation Overlord (the planned Normandy landings) and to prepare for the expected assault with V-1 flying bombs, and 42 AA Brigade HQ was disbanded at Edinburgh on 20 February 1944.When the TA was reconstituted on 1 January 1947, 42 AA Bde was reorganised as 68 AA Brigade (TA), with its HQ at Glasgow, forming part of 3 AA Group at Edinburgh.It comprised the following units