Collective Rapid Reaction Force

Collective Rapid Reaction Force (Коллективные силы оперативного реагирования, КСОР – KSOR) is a joint combined arms task force comprising independent military units from the Collective Security Treaty Organization member states. CRRF was created in 2009 with the general purpose to counter a limited military aggression against CSTO member states, to fight against terrorism and drug trafficking.

History
The agreement on creation of Collective Rapid Reaction Force was signed by the presidents of all CSTO states except Belarus during a summit in Moscow on February 4, 2009. Belarus joined the agreement on October 20, same year.

The first joint exercises of CRRF were held in October 2009 at Matybulak firing range in Kazakhstan near the border with China.

Composition
According to Russian media, CRRF currently comprises following units:
 * 🇷🇺 Russia
 * 98th Guards airborne division (Ivanovo);
 * 31st Guards air assault brigade (Ulyanovsk);
 * 🇰🇿 Kazakhstan
 * 37th air assault brigade (Taldykorgan);
 * Marine forces battalion;
 * 🇧🇾 Belarus
 * Spetsnaz brigade;
 * 🇦🇲 Armenia
 * Infantry battalion;
 * 🇰🇬 Kyrgyzstan
 * Infantry battalion;
 * 🇹🇯 Tajikistan
 * Infantry battalion.