Canadian Forces Base Suffield (also CFB Suffield) is the largest Canadian Forces Base and the largest military training base in the Commonwealth. It is located in southeastern Alberta, 3 nautical miles (5.6 km; 3.5 mi) north-northwest of Suffield, 50 km (31 mi) northwest of the city of Medicine Hat and 250 km (160 mi) southeast of Calgary.The base has its own radio station, BFBS, which airs programming for both the Canadian and British military personnel stationed at the base.