The Joint Control Commission (Romanian: Comisia Unificată de Control, CUC; Russian: Объединенная контрольная комиссия, romanized: Obyedinennaya Kontrolnaya Kommissiya, ОКК), also known as the Unified Control Commission, is a trilateral peacekeeping force and joint military command structure from Moldova, Transnistria (Pridnestrovian Moldavian Republic / PMR), and Russia that operates in a demilitarized zone on the border between the Republic of Moldova and Ukraine. The disputed territory between the two is controlled by Transnistria.