The Russian-led Collective Security Treaty Organization (CSTO) is carrying out military exercises this week in the Pskov and Leningrad regions, where troops are simulating a NATO assault on one of the alliance's member states.
The Russian-led Collective Security Treaty Organization (CSTO) is carrying out military exercises this week in the Pskov and Leningrad regions, where troops are simulating a NATO assault on one of the alliance's member states.