Department of Defense offices, installations, and defense agency field locations across the United States support military readiness, national security operations, and services for active duty service members, veterans, and defense contractors.
There are 52 states with Department Of Defense locations across the United States. The Department of Defense is the largest employer in the United States, with approximately 1.3 million active duty military personnel and nearly 750,000 civilian employees nationwide.
Department Of Defense in the United States
Browsing by state helps service members, veterans, defense contractors, and civilian employees locate nearby military installations, DoD agency offices, and support resources including healthcare, legal assistance, and personnel services.
Common Services
- Military personnel records requests and service verification
- Defense contractor registration and federal procurement information
- TRICARE military health program enrollment and benefits
- Freedom of Information Act (FOIA) requests for defense records
Tip: Active duty service members and their families seeking benefit and support information can access Military OneSource — a free, confidential resource available 24/7 — at militaryonesource.mil or by calling 1-800-342-9647.
For official information, visit U.S. Department of Defense.
About Department Of Defense
The U.S. Department of Defense is the federal agency responsible for providing military forces to deter war and protect the security of the nation. The DoD encompasses the Army, Navy, Marine Corps, Air Force, Space Force, and Coast Guard, along with numerous defense agencies and field activities. Its headquarters at the Pentagon in Arlington, Virginia, coordinates military policy and operations worldwide.
Common Services
- Military personnel records and service verification requests
- Defense contractor registration and procurement information
- TRICARE military health care program enrollment
- Freedom of Information Act (FOIA) requests for defense records
Veterans seeking copies of military service records can submit requests through the National Archives' National Personnel Records Center. Active duty members and families can access benefits and housing information through their installation's family support center.
For official information, visit U.S. Department of Defense.