Approximately 10,000 troops from nations within the North Atlantic Treaty Organization (NATO) are engaged in the Joint Viking 2025 exercise in Troms, northern Norway. This operation is designed to train Norwegian military personnel in collaboration with allied forces in extreme winter environments.

Source: https://www.france24.com/en/video/20250315-joint-viking-in-norway-nato-s-largest-arctic-military-exercise-showcases-strength