Lieutenant John D. Mahoney of the Royal Canadian Navy Volunteer Reserve, holding an Anniversary Speed Graphic 4 X 5 camera and a Rolleiflex Automat 120. Picture taken in England, 1944 by Lieutenant Richard G. Arless.
This would have been Gerald Milne Moses photographic equipment as well
http://www.collectionscanada.gc.ca/faces-of-war/025014-1100-e.html