Exercise Northern Strike
Exercise Northern Strike is a military readiness exercise hosted annually at Michigan National Guard facilities, including the Alpena CRTC, Camp Grayling Joint Maneuver Training Center, Grayling Aerial Gunnery Range, the Carmeuse Calcite Quarry in Rogers City, the former site of K.I. Sawyer Air Force Base as well as over the skies of northern Michigan and Lake Huron. The air operations will take place at Alpena Combat Readiness Training Center (ACRTC) & use the Grayling Air Gunnery Range, while live-fire exercises involving small arms, mortars, artillery and aerial munitions will take place at the Camp Grayling range complex.