Estonian soldiers on duty during exercise Winter Camp in Estonia. An exercise that involved multinational battlegroup Estonia training in cold weather conditions. 2026 saw one of the coldest winters in Estonia for the last 25 years. So it’s a good thing that NATO Allies are ready to defend their territory in all seasons, no matter the conditions. During exercise Winter Camp, NATO’s multinational battlegroup in Estonia left their warm barracks behind for snowdrifts and cold trenches. While