SENIOR AIRMAN Theodore Mackey, 341CS/SCMMG, holds his C-7 rifle and receives some advice from his group leader. AIRMAN 1ST Class Brent Schultz, 341 CS/SCSP, assembles his C-7 rifle in the background. Each of the participating Airmen were assigned to a different five-man tent group made up of privates new to the squadrons in the 74th Comm Group, Alberta and led by a more experienced corporal or sergeant. The exercise is a Canadian military winter operations indoctrination course