The US Army Garrison, Fort Detrick, provides sustainable base operations support, quality of life programs, and environmental stewardship to facilitate the sustainment of vital national interests.

The US Army Garrison, Fort Detrick, supports five cabinet-level agencies: The Department of Defense, Department of Veterans Affairs, Department of Agriculture, Department of Homeland Security and Department of Health and Human Services.

Within the DoD, Fort Detrick supports elements of all four military services. Major Department of the Army mission partners include the US Army Medical Research and Materiel Command and the 21st Signal Brigade.