Electronic Records Reference Report Introduction The following tables were generated from the Vietnam Conflict Extract Data File of the Defense Casualty Analysis System (DCAS) Extract Files, which is current as of April 29, 2008. The Vietnam Conflict Extract Data File of the Defense Casualty Analysis System (DCAS) Extract Files contains records of 58,220 U.S. military fatal casualties of the Vietnam War. These records were transferred into the custody of the National Archives and Records Admi...