The USAHEC contains the holdings of the U.S. Army Military History Institute and the U.S. Army War College Library. The combined resources of the USAHEC include:
- Personal papers, including those of Nelson Miles, Tasker Bliss, Matthew B. Ridgway, Eric Shinseki, J. Lawton Collins, Benjamin O. Davis, Sr., Margaret Craighill, Gordon Sullivan, and most post-World War II U.S. Army Chiefs of Staff
- Diaries, letters, and photographs of American soldiers from the beginning of the Army
- Over 250 general officer oral history transcripts
- Unit history collection
- Veteran surveys from the Spanish-American War to the Global War on Terrorism
- Curricular archives of the U.S. Army War College from 1907 onward
- Over half a million books supporting the development of strategic leaders, the study of landpower, and military history
- 52 series of U.S. Army doctrinal, training, and administrative publications
- Rare book collection, including titles from the original War Department Library
The Center for Military History (CMH), manages the Army Historical Program and prepares official histories of the Army. The Chief of Military History is the principal advisor to the Secretary of the Army and the Chief of Staff, Army, for all historical matters. The CMH also is responsible for determination of the lineage and honors of U.S. Army units and oversees the U.S. Army Museum Enterprise system. The Center of Military History homepage contains information about U.S. Army history. Some examples of the subjects one can research at the CMH are:
- U.S. Army General Officers
- Role of Women & Ethnic/Racial Groups in the Army
- Decorations, Patches and Flags
- U.S. Army Campaigns & Casualties
- Integration of the U.S. Army
- Holidays & Commemorations
- Army National Guard
- Birthdays and/or unit days of the U.S. Army Divisions
- Birthdays of the U.S. Army and its component branches
- Oaths of enlistment and oaths of office in the U.S. Army
- "D" signify in D-Day, and the "H" signify in H-Hour
- Research sources for NIKE Air Defense Missile Sites
- Origin of the 21-gun salute
- Difference between artillery shrapnel and shell fragments