All glossary terms
Federal Agencies

Department of Defense

The cabinet department responsible for national defense and the single largest buyer in federal contracting, spanning weapons systems, IT, services, and research.

Related terms

General Services Administration
Federal agency providing centralized procurement and services.
National Aeronautics and Space Administration
The civilian agency responsible for the U.S. space program and aeronautics research, contracting for launch services, spacecraft development, and engineering support.
National Institutes of Health
The HHS agency that funds and conducts biomedical and public health research through grants and contracts, and a major buyer of scientific R&D and clinical trial support.