Arctic and Extreme Cold Weather Operations (ATP 3-90.96 / MCTP 12-10E) is the definitive U.S. Army and Marine Corps manual on planning and executing military operations in some of the harshest environments on earth. Published in 2025, this dual-designated field manual provides the most current doctrine, tactics, and techniques for operating in Arctic and subarctic regions, as well as other extreme cold environments. Covering every aspect of cold weather warfare, the manual examines the unique challenges of terrain, climate, and prolonged exposure to subzero conditions. It provides leaders and planners with critical guidance on sustainment, maneuver, fires, intelligence, and protection in Arctic operations, while also addressing the political, economic, and strategic considerations of operating in the far north. Inside, readers will find: Analysis of Arctic climate, terrain, and environmental hazards to personnel, equipment, and operations - Techniques for movement, maneuver, and survival in snow, ice, tundra, and boreal regions - Guidance for sustainment and logistics under extreme conditions - Training requirements for units preparing for Arctic missions - Case studies and historical lessons, including the Chosin Reservoir and other cold-weather campaigns While designed for Soldiers, Marines, and military leaders, this manual is an invaluable resource for survivalists, historians, researchers, and anyone with an interest in cold weather warfare. This Milstar Books reprint edition preserves the full text and illustrations of the official U.S. Army/Marine Corps publication in a clear, accessible 6x8 format, ideal for both study and field reference.