| Country | Military branches |
| Tajikistan | Ground Forces, Air and Air Defense Forces, Mobile Force (2008) |
| Tanzania | Tanzanian People's Defense Force (Jeshi la Wananchi la Tanzania, JWTZ): Army, Naval Wing (includes Coast Guard), Air Defense Command (includes Air Wing), National Service (2007) |
| Thailand | Royal Thai Army (RTA), Royal Thai Navy (RTN, includes Royal Thai Marine Corps), Royal Thai Air Force (Knogtap Agard Thai, RTAF) (2008) |
| Timor-Leste | Timor-Leste Defense Force (Forcas de Defesa de Timor-L'este, Falintil (FDTL)): Army, Navy (Armada) (2008) |
| Togo |  Togolese Armed Forces: Ground Forces, Togolese Navy (Marine du Togo), Togolese Air Force (Force Aerienne Togolaise, FAT), National Gendarmerie (2008) |
| Tokelau | void |
| Tonga | Tonga Defense Services (TDS): Land Force (Royal Guard), Naval Force (includes Royal Marines, Air Wing) (2008) |
| Trinidad and Tobago | Trinidad and Tobago Defense Force: Ground Force, Coast Guard (includes Air Wing) (2004) |
| Tunisia |  Army, Navy, Republic of Tunisia Air Force (Al-Quwwat al-Jawwiya al-Jamahiriyah At'tunisia) (2008) |
| Turkey | Turkish Armed Forces (TSK): Turkish Land Forces (Turk Kara Kuvvetleri, TKK), Turkish Naval Forces (Turk Deniz Kuvvetleri, TDK; includes naval air and naval infantry), Turkish Air Force (Turk Hava Kuvvetleri, THK) (2008) |
| Turkmenistan | Ground Forces, Navy, Air and Air Defense Forces (2007) |
| Turks and Caicos Islands | void |
| Tuvalu |  no regular military forces; Tuvalu Police Force (2008) |
| Uganda | Uganda Peoples Defense Force (UPDF): Army (includes Marine Unit), Air Force (2007) |
| Ukraine | Ground Forces, Naval Forces, Air Forces (Viyskovo-Povitryani Syly), Air Defense Forces (2002) |
| United Arab Emirates | Army, Navy (includes Marines and Coast Guard), Air and Air Defense Force, paramilitary forces (includes Federal Police Force) |
| United Kingdom | Army, Royal Navy (includes Royal Marines), Royal Air Force |
| United States |  US Army, US Navy (includes Marine Corps), US Air Force, US Coast Guard; note - Coast Guard administered in peacetime by the Department of Homeland Security, but in wartime reports to the Department of the Navy (2008) |
| United States Pacific Island Wildlife Refuges | void |
| Uruguay |  Uruguayan Armed Forces: Army, Navy (includes naval air arm, Marines, Maritime Prefecture in wartime), Air Force (Fuerza Aerea Uruguaya, FAU) (2008) |
| Uzbekistan | Army, Air and Air Defense Forces, National Guard |
| Vanuatu |  no regular military forces; Vanuatu Police Force (VPF), Vanuatu Mobile Force (VMF; includes Police Maritime Wing (PMW)) (2008) |
| Venezuela |  National Armed Forces (Fuerza Armada Nacionale, FAN): Ground Forces or Army (Fuerzas Terrestres or Ejercito), Naval Forces (Fuerzas Navales or Armada; includes Marines, Coast Guard), Air Force (Fuerzas Aereas or Aviacion), Armed Forces of Cooperation or National Guard (Fuerzas Armadas de Cooperacion or Guardia Nacional) |
| Vietnam | People's Armed Forces: People's Army of Vietnam (PAVN) (includes People's Navy Command (with naval infantry, coast guard), Air and Air Defense Force (Kon Quan Nhan Dan), Border Defense Command), People's Public Security Forces, Militia Force, Self-Defense Forces (2005) |
| Virgin Islands | void |
| Wake Island | void |
| Wallis and Futuna | void |
| West Bank | void |
| Western Sahara | void |
| World | void |
| Yemen |  Army (includes Republican Guard), Navy (includes Marines), Yemen Air Force (Al Quwwat al Jawwiya al Jamahiriya al Yemeniya; includes Air Defense Force) (2008) |
| Zambia |  Zambian National Defense Force (ZNDF): Zambian Army, Zambian Air Force, National Service (2008) |
| Zimbabwe | Zimbabwe Defense Forces (ZDF): Zimbabwe National Army, Air Force of Zimbabwe (AFZ), Zimbabwe Republic Police (2005) |