10th Division.
Commander: Major-General J.R. Longley, C.B., C.M.G.
53rd Division.
Commander: Major-General S.F. Mott, C.B., p.s.c.
60th Division.
Commander: Major-General Sir J.S.M. Shea, K.C.M.G., D.S.O., p.s.c., I.A.
74th Division.
Commander: Major-General E.S. Girdwood, C.B.
21st CORPS.
Commander: Lieutenant-General Sir Edward Bulfin, K.C.B., C.V.O.