The Collective Security Treaty Organization is holding its second-ever peacekeeping exercises, in Russia's Chelyabinsk region. About 2,500croops from all CSTO members -- Russia, Armenia, Belarus, Kazakhstan, Kyrgyzstan, and Tajikistan -- are taking part in the exercise, named "Unbreakable Brotherhood 2013," up from 950 in the previous year's drills
The scenario of the drill involved a conflict in the fictional CSTO member state of Uralia, and the peacekeepers were tasked with protecting a convoy of humanitarian aid from "extremists" trying to attack it. The peacekeeping forces provided air cover for the convoy using Mi-24 helicopters, set up checkpoints in the conflict zone and successfully apprehended some extremists who were trying to smuggle weapons.
The larger context of the drill, though, included fights over resources in the region and interethnic tension, giving some sense of the circumstances in which the CSTO imagines that these peacekeeping forces might someday be used:
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