CSTO Secretary General Imangali Tasmagambetov, Presidential Envoy to Russia's Siberian Federal District Anatoly Seryshev and Novosibirsk Region Governor Andrei Travnikov attend a closing ceremony of the Collective Security Treaty Organization (CSTO) military exercises Cobalt-2024 led by the Russia's National Guard Troops at the Gorny firing range in Novosibirsk region, Russia.