- Department of Defense – Missile Defense Agency Historical Resources: “The history of U.S. missile defense efforts spans over six decades. These resources are presented with a description of the missile defense efforts of the time in the hopes that the context will help illuminate the content of these documents.”
- Department of Homeland Security – Creation of the Department: “Key documents highlighting how the Department of Homeland Security (DHS) was created through the integration of all or part of 22 different federal departments and agencies into a unified, integrated Department, and how DHS has become a more effective and integrated Department, creating a strengthened homeland security enterprise and a more secure America that is better equipped to confront the range of threats we face.”
- Department of Veterans Affairs – History Office: “The VA History Office (VAHO) is proud to provide material documenting the history of the unique relationship between America and its Veterans. As a new program within the Department of Veterans Affairs (VA), we intend to share historical information and articles, and also to update visitors on the continued development of VA’s History initiative.”
- FirstWorldWar.com: “Included here are archive documents signed in the late 1830s which bore relevance to the outbreak of war some 75 years later, as well as memos, letters, treaties and the text of speeches throughout the war and beyond.”
- Secretary of Defense – Historical Office: “The Historical Office of the Office of the Secretary of Defense (OSD) dates to 1949. The mission of the historical office is to collect, preserve, and present the history of the Office of the Secretary of Defense, in order to support Department of Defense leadership and inform the American public.”
- World War I Document Archive: “This archive of primary documents from World War One has been assembled by volunteers of the World War I Military History List (WWI-L). International in focus, the archive intends to present in one location primary documents concerning the Great War.”