Two Russian Tu-160 "alarmed" NATO exercises " United Trident ", writes RT. Noted that their escort UK had jets. yesterday the Russian defense Ministry informed that Two military aircraft made the ten-hour scheduled flight over the Barents and Norwegian seas. The Ministry stressed that they do not violate the borders of other countries and flew in strict accordance with International rules of using air space. In addition, Moscow has warned NOTAM (eng. NOtice To AirMen