The Defense Logistics Agency (DLA) is a combat support agency in the United States Department of Defense (DoD). The agency is staffed by over 26,000 civilian and military personnel throughout the world. Located in 48 states and 28 countries, DLA provides supplies to the military services and supports their acquisition of weapons, fuel, repair parts, and other materials. The agency also disposes of excess or unusable equipment through various programs.

The Philadelphia Quartermaster Depot, now known as the Defense Logistics Agency Troop Support, was founded as the Schuylkill Arsenal in 1799.