Gordon Joshua Dennison (referred to as Billy or Billy) was born in Assiniboia, Saskatchewan in July, 1922. He enlisted with the RCAF in January, 1941 and served first as an Air Engine Mechanic. Dennison later switched to Gunnery School. He went overseas in January, 1944 and served as a tail gunner with the 199th Sqaudron. Dennison was shot down September 16, 1944. The collection currently consists of more than one hundred letters.