Can you help identify?

Photo 70

Circa December 1941. Beirut. Identified personnel : left to right VX56329 K. M. Williamson, 2/2 Pioneer? (name unknown), 2/2 Pioneer? (name unknown), VX55746 F. R. Robinson. Photo courtesy of K. Robinson (brother of VX55746 F. R. Robinson). id no. K_ROBINSON_1