In the rear area of the special military operation zone, the Tsentr Group of Forces deployed an underground communication traini

In the rear area of the special military operation zone, the Tsentr Group of Forces deployed an underground communication training ground and undergo intensive combat training. Specialised classes are set up at the training ground, where experienced instructors train personnel. The training includes operation with satellite communication systems, wireless access, internet communications, and modern telecommunications equipment. Russian Defence Ministry Source: MoD Russia