ORDER OF BATTLE

21 st. Army Group

Supreme Commander:
1-01-1944 
General Sir Bernard Montgommery
29-08-1944 
Field Marshall Sir Bernard Montgommery

Chief of Staff - Operations:
15-01-1944 
Major-General Freddie de Guingand

Brigadier General Staff - Intelligence:
1-09-1944 
Brigadier E.T. Williams

HQ Lines of Communications 21 Army Group:
6-06-1944 
Major=General R.F.B. Naylor

Major-General Royal Armoured Corps:
1-09-1944 
Major-General G.W. Richards

Major-General Royal Artillery:
1-09-1944 
Major-General M.E. Dennis

Chief Engineer: 

1-09-1944 
Major-General J.D. Inglis

Chief Signals Officer:
1-09-1944 
Major-General C.M.F. White 

British 2nd. Army

General Officer Commanding:
26-01-1944 
Lieutenant-General Sir Miles Dempsey

Chief of Staff:
8-05-1943 
Brigadier M.S. Chilton

Brigadier General Staff Liaison:
1944 
Brigadier A.W.C. Richardson

Brigadier Royal Armoured Corps:
1944 
Brigadier A.F. Fisher 

Brigadier Royal Artillery:
1944 
Brigadier H.J. Parham

Chief Engineer:
1944 
Brigadier J.S.W. Stone

Chief Signal Officer:
Brigadier ?

Deputy Adjutant & Quartermaster-General:
1944 
Brigadier G.P. Hardy-Roberts

Deputy Director of Supplies & Transport:
1944 
Colonel W.J.F. Eassie

Deputy Director of Mechanical Engineering:
1944 
Brigadier L.H. Howard Jones

Deputy Chief Civil Affairs Officer:
1944 
Brigadier R.M.H. Lewis