On September, 22, the final phase of the united Russia-Belarus-Ukraine-Kazakhstan 'Union Shield-2011' exercise took place. It was held on Ashuluk training ground in Astrakhan region. Russia was represented by the 21st motorized infantry battalion; Belarus was represented by
the 120th mechanized infantry brigade of the Guards; Ukraine and Kazakhstan were represented by airborne companies. Around 12 000 servicemen, over 200 units of surface transport, and 50 units of airborne transport took part in the exercise.