US Department of Defense Spokesman John KirbyWASHINGTON, Mar 11 Communication channel between the Pentagon and the Department of Defense The RF functions to prevent accidental conflicts, but in the context of Ukraine it was not used, said US Defense Department spokesman John Kirby. times a day, and until now, with the exception of a couple of cases, the Russians answered. Therefore, we know that they know our signals, and they respond to them. We know that it (the line) works, «Kirby said at the briefing. «We know that they (the Russian side — ed.) know how to use the system,» Kirby added. Earlier, a US defense official told RIA Novosti that the Pentagon, against the backdrop of hostilities in Ukraine, had established a channel with the Russian Ministry of Defense since March 1 communications to prevent military incidents. According to him, the United States still retains a number of channels of communication with the Russian Federation «to discuss the most important issues in the field of security in case of unforeseen circumstances or an emergency.» NATO Secretary General Jens Stoltenberg, following the meeting of the Foreign Ministers of the countries of the North Atlantic bloc, noted that NATO aims to maintain channels of communication with the Russian Federation in order to avoid conflict situations. >Day 16: liberation of Volnovakha and negotiations between Putin and Lukashenka