DoD Identifies Air Force Casualty Published Dec. 26, 2007 By Office of the Assistant Secretary of Defense (Public Affairs) WASHINGTON, DC -- The Department of Defense announced today the death of an Airman who was supporting Operation Enduring Freedom. Senior Airman Nicholas D. Eischen, 24, of Sanger, Calif., died Dec. 24 in Bagram Air Base, Afghanistan in a non-combat related incident. He was assigned to the 60th Medical Operations Squadron, Travis Air Force Base, Calif. The circumstances surrounding the death are under investigation.