The Operation Command South (OC South) is a formation of the Ukrainian Ground Forces in the southern part of Ukraine, which was formed in January 1998 as the Southern Operation Command on the basis of the Odessa Military District and headquartered in Odessa.The Southern OK covers 9 oblasts and autonomous republics: Odessa, Kirovohrad, Mykolaiv, Kherson, Dnipropetrovsk, Zaporizhzhya, Kharkiv, Luhansk, Donetsk oblasts and the Autonomous Republic of Crimea.In 2005-2013 it was known as the Southern Operation Association.