Today's Army Reserve covers more than 20 time zones across five continents. Our people are the most important weapon system in accomplishing the mission, ensuring units are ready and capable to deliver victory. Our Soldiers are mentally tough, with a desire to serve their country now, and lead troops into the fight of tomorrow. In an every-changing landscape of both visible and invisible threats, we stand ready to defeat our enemies, anytime, anywhere. Modernization drives our ability to support operations in the multi-domain environment. We will mobilize rapidly with the right capabilities to win the future fight. America's Army Reserve is ready now, shaping tomorrow.
The Army Reserve of today can trace its roots as a "national" or federal Citizen-Soldier force that goes back more than a century. Over the years, with the crisis of a major war, the federal government mobilized large Citizen-Soldier forces and trained them for combat operations. Today, the Army Reserve has more than 200,000 Soldiers and Civilian employees and 2,000 units spread across 20 time zones. Army Reserve Warrior Citizens have been tested in the crucible of combat, earning their status as full partners in those operations; no longer a supplemental, strategic reserve force but rather an able and operational force upon whom the nation must routinely call. (U.S. Army Reserve video by Staff Sgt. Rodney Roldan)
Office of Army Reserve History

As the proponent of all historical activities within the Army Reserve, we accurately collect, preserve, interpret, and communicate the Army Reserve’s (AR) history and material culture to the USARC Commander, Decision Makers, the Force, and the Nation.

Develop a fully integrated and properly resourced network of history programs and professionals who preserve the history of the Army Reserve, serve Soldiers through education and training, support decision-making; and use advanced technologies, providing relevant, timely historical products and services for the Army Reserve, the Army, and the general public. (AR 870-5, para.2-1.b).

OARH Programs:

The use of military history includes, but is not limited to:

  • Write the official history of the Army Reserve in peace and war.

Army Reserve Historical Research Collections (Archives):

  • Preserve the institutional memory of the Army Reserve through an archives/oral history program.

Army Reserve Historical Artifact Collections:

  • Exhibit Army Reserve history and overseeing Army Reserve museum and artifact collection activities.

Military History Detachment:

  • Oversee military history detachment (MHD) training/readiness (28 RC, 2 AC, 7 NG).

Historical Support:

  • Provide support to the USARC and OCAR staff.
  • Provide historical advice to the commander in his/her decision making process.
  • Develop and provide military history educational programs.
  • Support public and command information activities.
  • Providing historical support to assist the down-trace and enhance esprit de corps.