The Command has historical training relationships in the Pacific and European theaters, and provides direct support to the Eighth US Army in Korea.

The Command also is the Army Reserve's Executive Agent for Operation Sand Castle at Fort Irwin, CA, which is a 10-year urban terrain construction mission for engineer units conducting their Annual Training.

The Command was formed in the Organized Reserves in 1923, and served in World War II, earning the Meritorious Unit Commendation.

412th Soldiers have assisted with construction missions and supported joint exercises in Thailand, the Philippines, Vietnam, and the Marshall Islands.

Unit Released from active military service 10 February 1997 and reverted to reserve status Elements ordered into active military service in stages between 2003 and 2010 in support of the Global War on Terror This article incorporates public domain material from H&HC 412 Engineer Command Lineage and Honors.