to the 10th Army. Between 8 June and 10 January 1920, the Orel Military District was operationally subordinated to the front. On 17 June, the Special Corps was subordinated to the front. It had been formed on 10 June as the Separate Expeditionary Corps from troops assigned to suppress the Vyoshenskaya uprising, but was disbanded on 1 July. On 28 June, the Ukrainian Group of Forces was formed from the 12th Army (2nd formation, transferred from the Western Front) and 14th Army, as well as the troops of the Kharkov Military District military commissariat for combat on the left bank of the Dnieper. It was led by the 12th Army commander Nikolai Semyonov. After the army was transferred on 26 July, the group was dissolved. Fighting the Moscow offensive On 13 July, Gittis was replaced by Vladimir Yegoryev. On 23 July, the Commander-in-Chief of the Armed Forces of the Republic ordered that the 9th and 10th Armies become a shock group directly subordinated to him for the main attack against the AFSR towards Rostov and Novocherkassk. However, on 27 July, the group, renamed the Special Group and commanded by Vasily Shorin, was operationally subordinated to the front. The front then retreated in the face of Denikin's Moscow offensive, relinquishing Kiev, Odessa, Kursk, Voronezh, and Orel between August and October. In August, the front headquarters moved to Orel. By orders of 5 and 13 August, a group under the command of Vladimir Selivachyov, named after its commander, was formed from troops of the 8th and 13th Armies and the Voronezh Fortified Region for the secondary attack against the AFSR towards Kharkov. Between 14 August and 12 September, the front launched a counterattack known as the August counteroffensive of the Southern Front utilizing the Special Group and the Selivachyov Group. Its forces attacked towards Kharkov, capturing Biryuch, Valuyki, Volchansk, Kupyansk, and Pavlovsk, reaching the Don and Khopyor Rivers, and defended in the area of Tsaritsyn and Kamyshin. However, the raids of Don Cossack cavalry commanders Konstantin Mamontov and Andrei Shkuro disrupted the front's rear, and through September and early October the front retreated to the north again, giving up Kursk, Livny, Kromy, and Orel. By late September Group Selivachyov had ceased to exist under the pressure of the White advance. The front headquarters relocated north to Tula during the month due to the AFSR advance. The 9th and 10th Armies, still part