T-26 tanks continued to be used in combat throughout the Soviet-German front from the Barents Sea to the Black Sea (Battle of the Crimea) in 1942, but in steadily decreasing numbers as each T-26 tank that was destroyed or lost to technical problems was being replaced by a T-34. During the Second Battle of Kharkov, some tank units of the 22nd Tank Corps of the Southwestern Front were equipped with the T-26 (for example, the 13th Tank Brigade had six T-26 tanks on 9 May 1942). On 13 May 1942, German forces counterattacked the flank of the Soviet 38th Army, then on the offensive. Every available tank unit engaged the German battle group consisted from about 130 tanks of the 3rd and the 23rd Panzer Divisions. Three Soviet tank brigades lost all of their tanks, but inflicted heavy losses on the enemy.