138 Squadron (For Freedom). Halifax V aircraft LL 279 NF-R missing from secret night operation JOHN 23, dropping supplies and agents. F/O(s) W.C. Kingsley, J.E. Wright, Pilot Officer J.R. Dutton, and Flight Sergeant K.F.H. Hart (RAF) were also killed. One Canadian, Sergeant E.F. Gillcash, was taken Prisoner of War and one of the crew, not Canadian, missing believed killed.
Addendum:- Missing RAF crew member H.W. Bradbury was also taken PoW detail from rafcommands.com
Addendum: - The aircraft crashed 8 miles from Bemay at the village of Le Chamblac, France. Detail provided by Joel Huard, Serquigny, France.
Roberts, George Albert (Flying Officer)
Killed in Action 1944-March-04

Birth Date: 1916
Born:
Parents: Son of Robert and Edna B. Roberts, of Regina, Saskatchewan, Canada.
Spouse:
Home: Regina, Saskatchewan
Enlistment:
Enlistment Date: unkown date
Service
RCAF
Unit
138 Sqn- Squadron (RAF)
For Freedom
Base
Rank
Flying Officer
Position
Navigator
Service Numbers
J/25206