The Defense Prisoner of War/Missing Personnel Office (DPMO) is "responsible for oversight of policies on the rescue of Americans who are isolated, captured, detained, or otherwise missing in a hostile environment and the recovery and identification of the remains of those who never returned from foreign battlefields."
DPMO's Vietnam-related resources include Fact Sheets, as well as:
The DoD's Freedom of Information Act (FOIA) Reading Room has made available online dozens of declassified documents--and thousands of pages--related to Southeast Asia and the Vietnam War. Topics are wide-ranging and documents are listed in no discernible order. Selected titles include:
The Foreign Relations of the United States series presents the official documentary record of major U.S. foreign policy decisions and significant diplomatic activity. Complete volumes dedicated to Vietnam and Southeast Asia are available for the Kennedy, J ...
The Naval Historical Center is the official history program of the U.S. Navy. It manages the Navy Department Library and Operational Archives, and publishes scholarly works on the history of the Navy.
Presidential Libraries and Museums store the papers, records and historical materials of American Presidents. Collections and access vary from library to library, but they often provide useful indexes and subject guides to their print and electronic holdings. Presidential Library collections related to the Vietnam War include:
The Public Papers of the Presidents is the official publication of United States Presidents' public writings, addresses, and remarks. Each fully-indexed volume contains the papers and speeches of the President of the United States that were issued by the Office of the Press Secretary.
The University of Michigan's partnership with the Government Printing Office makes the entire se ...
The U.S. Army Center of Military History (CMH) conducts research, provides historical support to the Army and works to ensure "the appropriate use of military history in the teaching of strategy, tactics, logistics, and administration." The CMH's library, collections and reference services are available to private researchers.