More than 30 Russian Navy vessels have been taking part in drills in the Barents Sea.<br /><br /> The exercises are said to be testing readiness against any threats to Russia’s Arctic borders.<br /><br /> Thousands of troops are involved in nationwide exercises, ordered by President Vladimir Putin.<br /><br /> In Chechyna, Russia’s motorised brigade has been staging tactical drills. <br /><br /> It all amounts to one of the Kremlin’s biggest shows of force since ties with the West plunged to Cold War lows. <br /><br /> Meanwhile, more than a dozen US fighter jets have arrived in Estonia to take part in a month’s worth of joint training exercises with the country. <br /><br /> Three-hundred air force members have also touched down for the drills.
