The Russian defence minister, Sergei Shoigu, addressed senior military commanders in Moscow where he said the exercise involved anti-submarine aircraft.
He did not confirm when it took place.
“For the first time since Soviet times anti-submarine aircraft flights have been carried out via the North Pole towards the North American continent,” he said.
“The construction of unique self-sufficient military villages is being completed, which were built with the latest technology on the islands of Franz Josef Land and the Novosibirsk Islands.”
The announcement coincided with a major US-British naval exercise in the Arctic Circle, which Britain said gave its submariners a chance to learn and develop skills to operate under the Arctic ice cap.
Read more at http://www.euronews.com/2018/03/29/