Access to Archival Databases (AAD) is a free search engine at the US National Archives. The databases it searches include:

• Records of Military Personnel Who Died as a Result of Hostilities During the Korean War, created, ca. 1977 – 11/1979, documenting the period 1/1/1950 – 2/7/1957 (33,642 records)

• Records on Korean War Dead and Wounded Army Casualties, created, 1950 – 1970, documenting the period 2/13/1950 – 12/31/1953 (109,975 records)

• Defense Casualty Analysis System (DCAS) Extract Files, created, ca. 2001 – 4/29/2008, documenting the period 6/28/1950 – 5/28/2006 (94,794 records)

• Defense Casualty Analysis System (DCAS) Files, created, ca. 2001 – 3/16/2009, documenting the period 6/28/1950 – 12/31/2006 (137,677 records)

• Records of Repatriated Korean War Prisoners of War, created, 1978 – 1980, documenting the period 7/5/1950 – 10/6/1954 (4,447 records)

• Records of American Prisoners of War During the Korean War, created, 1950 – 1953, documenting the period 1950 – 1953 (4,714 records)

• Records on Military Personnel Who Died, Were Missing in Action or Prisoners of War as a Result of the Vietnam War, created, 1/20/1967 – 12/1998, documenting the period 6/8/1956 – 1/21/1998 (58,965 records)

• Records with Unit Information on Military Personnel Who Died During the Vietnam War, created, ca. 1983 – 12/18/2005, documenting the period 6/8/1956 – 10/10/2003 (58,230 records)

• Records of Deceased, Wounded, Ill, or Injured Army Personnel, Including Dependents and Civilian Employees, created, 1/1/1961 – 12/1981, documenting the period 1/1/1961 – 12/1981 (293,858 records)