A handout photo made available by the Norwegian Armed Forces on 01 November 2018 shows Northern lights from KNM Helge Ingstad during Trident Juncture excercise in Norway, 29 October 2018. According to reports, some 50,000 participants from over 30 nations are expected to take part in the NATO-led military exercise in Norway from 25 October to 23 November 2018. (Photo by Marius Vågenes Villanger/EPA/EFE)
