VANDENBERG AIR FORCE BASE, Calif. -- Staff Sgt. Stephen Ohge, 30th Civil Engineer Squadron Explosive Ordnance Disposal trainer, explains EOD procedures to a group of Vandenberg airmen during deployment readiness training at Cocheo Park, Thursday, Nov. 1, 2012. Explosive Ordnance Disposal is one of many essential skills on which Airmen are evaluated as they prepare for deployment. (U.S. Air Force photo/Michael Peterson).