Ulaanbaatar [US Embassy] Mongolia
Ullung-do Korea, South
Unimak Pass [strait] Pacific Ocean
Union of Soviet Socialist Republics Armenia, Azerbaijan, Belarus,
Estonia, Georgia, Kazakhstan,
Kyrgyzstan, Latvia, Lithuania,
Moldova, Russia, Tajikistan,
Turkmenistan, Ukraine, Uzbekistan
United Arab Republic Egypt; Syria
Upper Volta Burkina
USSR Armenia, Azerbaijan, Belarus,
Estonia, Georgia, Kazakhstan,
Kyrgyzstan, Latvia, Lithuania,
Moldova, Russia, Tajikistan,
Turkmenistan, Ukraine, Uzbekistan
V
Vaduz [US post not maintained; Liechtenstein
representation from Zurich,
Switzerland]
Vakhan (Wakhan Corridor) Afghanistan
Valletta [US Embassy] Malta