A
- Air Force — Official site of the U.S. Air Force.
- Air Force Careers — Recruitment and career information.
- Air Force e-Publishing — Official publications and forms.
- Air Force Personnel Center (AFPC) — Assignments, promotions, benefits.
- Air Force Portal (CAC required) — Internal Air Force systems.
- Air National Guard — Official site of the Air National Guard.
- Air University — Air Force education and training.
- Army — Official site of the U.S. Army.
- Army Careers — Recruitment and career information.
- Army Corps of Engineers — Engineering, construction, and infrastructure.
- Army Human Resources Command (HRC) — Personnel management.
- Army Knowledge Online (AKO) — Retiree Login — Access for retirees and certain affiliates.
- Army National Guard — Army National Guard recruiting and info.
B
- Basic Allowance for Housing (BAH) Calculator — DoD housing allowance rates.
C
- Coast Guard — Official site of the U.S. Coast Guard.
- Coast Guard Careers — Recruiting and career info.
- Coast Guard Exchange (CGX) — Military retail services.
- Combatant Commands Directory — DoD unified commands.
- Cyber Command (USCYBERCOM) — Cyberspace operations.
D
- Defense Commissary Agency (DeCA) — Grocery benefits for service members.
- Defense Counterintelligence and Security Agency (DCSA) — Security clearances and industrial security.
- Defense Finance and Accounting Service (DFAS) — MyPay — Pay and tax services for DoD.
- Defense Health Agency (DHA) — Oversees TRICARE and military health.
- Defense Logistics Agency (DLA) — Logistics support for the armed forces.
- Defense POW/MIA Accounting Agency (DPAA) — Missing personnel recovery operations.
- Defense Security Cooperation Agency (DSCA) — Oversees security cooperation and foreign military sales.
- Defense Technical Information Center (DTIC) — Research and engineering information.
- Defense Travel System (DTS) — Official DoD travel booking and vouchers.
- Department of Defense — Main DoD site.
- DoD Safe Access File Exchange (SAFE) — Secure file transfer.
M
- Marine Corps — Official site of the U.S. Marine Corps.
- Marine Corps Careers — Recruiting and enlistment info.
- Marine Corps Community Services (MCCS) — Quality-of-life services for Marines and families.
- Marine Corps Recruiting Command — Officer and enlisted programs.
- Military Health System (MHS) — Health care resources.
- Military OneSource — DoD support and resources for service members and families.
- Military Star Card (AAFES) — Military credit and exchange services.
- Military Surface Deployment and Distribution Command (SDDC) — Transportation and logistics.
N
- National Guard Bureau — Joint activity of DoD.
- Navy — Official site of the U.S. Navy.
- Navy Careers — Recruitment and career info.
- Navy Exchange Service Command (NEXCOM) — Military retail services.
- Navy Personnel Command — Personnel support for sailors.
- Navy Recruiting Command — Enlistment and commissioning paths.
S
- Space Force — Official site of the U.S. Space Force.
- Space Force Careers — Recruiting and career info.
- Special Operations Command (SOCOM) — Unified command for special operations forces.
- Strategic Command (STRATCOM) — Nuclear deterrence and global strike.
- Southern Command (SOUTHCOM) — Regional unified command for Central/South America.
T
- Transportation Command (TRANSCOM) — DoD transportation operations.
- TRICARE — Health insurance for service members and families.
U
- U.S. Africa Command (AFRICOM) — Regional command for Africa.
- U.S. Central Command (CENTCOM) — Regional command for the Middle East.
- U.S. European Command (EUCOM) — Regional command for Europe.
- U.S. Indo-Pacific Command (INDOPACOM) — Regional command for the Asia-Pacific.
- U.S. Northern Command (NORTHCOM) — Homeland defense and civil support.