Arms Control and International Security - http://www.state.gov/www/global/arms/index.html
State Department bureaus overseeing arms control, nonproliferation, political-military affairs, and verification and compliance.
DefenseLINK - http://www.defenselink.mil/
DefenseLINK is the official web site for the Department of Defense and the starting point for finding U.S. military information online. A wealth of defense and military information, news, publications, images and links to American Armed Forces and DoD sites.
National Personnel Records Center (NPRC) - http://www.nara.gov/regional/mpr.html
This site is provided for those seeking information regarding military personnel, health and medical records stored at NPRC (Military Personnel Records).
Unit History Bibliographies - http://carlisle-www.army.mil/usamhi/UnitHistories.html
The U.S. Army Military History Institute houses the most extensive collection of Army unit histories in the world.