MOODY AIR FORCE BASE, Ga. -- Chief Master Sgt. Eric Mortensen, 23rd Civil Engineer Squadron Fire Department superintendent and the Incident Scene Commander calculates the stand-off distance with a laptop computer during a Nuclear Weapon Incident response exercise Oct. 22. The exercise focus was to test Moody's first responders' reaction to a simulated hard landing of a diverted aircraft carrying a nuclear device. The exercise simulated there was damage to the nuclear device which required the security forces squadron, the fire department, the explosive ordnance disposal team, bio-environmental, medical, and hazmat teams to respond. (Courtesy photo)