Communications tested during crises
In this file photo, Col. Erik Nelson speaks to news media and public affairs representatives during a May 2011 exercise at "Calamityville," the National Center for Medical Readiness, located in Fairborn, Ohio. Air Force instructions direct only information confirmed to be accurate may be released during accidents or serious incidents. Colonel Nelson is director of medical education and training with the 88th Medical Group at Wright-Patterson Air Force Base, Ohio. (U.S. Air Force photo)