Fonds consists of one photo album and associated loose photos. The photographs predominantly relate to Cochran's military career with the RCAF during the year of WWII. Some photographs are captioned, presumably in Cochran's hand.

Accession consists predominantly of photographs related to Hay's time of service during WWII. The photographs capture the activities of R.C.A.F. No. 403 (Wolf) Squadron in action in different areas of the war, including Belgium, Holland, France, and England. Of particular interest are images taken during Operation Overlord depicting Caen, France, and the Juno Beach landing. Most of the photographs are originals; roughly half of them are captioned.

Also includes a small amount of clippings, and military service records.