'Union Shield-2011' exercise finished on September 22, 2011. 'Union Shield-2011' is a joint Russia-Belarus regional group of forces that exists for over 10 years.
'Union Shield-2011' exercise is a part of the strategic-tactical exercises 'Centre - 2011' which takes place on seven training grounds in Russia, Kazakhstan, Kirgizia, and Tajikistan, composed of military units of Russia, Kazakhstan, Kirgizia, Tajikistan, and Ukraine. During the exercise, within the bounds of 'Union Shield-2011' exercise, Belarus jointed the participants. Russia-Kazakhstan 'Shigis-2011' and 'Fighting Commonwealth-2011' of the participants of Joint CIS Air Defence System has already finished.