Tech Sergeant Daniel Huertas and Senior Airman Mathew Sanchez cordon off an area around an unexploded ordinance during a training exercise at Alpena CRTC May 8. Huertas and Sanchez were part of a 50 person group from the 927th MSG participating in a week-long exercise at Alpena CRTC. (U.S. Air Force photo by Capt. Joe Simms)