The 5th Army of VVS and PVO (5-я Краснознамённая армия военно-воздушных сил и противовоздушной обороны) was the Russian Air Force's smallest Air Army, with the headquarters located in Yekaterinburg. Its zone of responsibility was the Volga-Ural Military District, on the border between Europe and Asia. The commanding officer of the 5th Air Army was from May 2006, Lieutenant-General Vadim Volkovitskiy.[citation needed] On 10 January 1949 it was redesignated the 48th Air Army. In 2007, 12 Mi-24 and 12 Mi-8 of the Army took part in the joint Russia-Sino exercise Peace Mission 2007. (Warfare.ru)