ATP 3-90.97 governs U.S. forces’ mountain warfare and cold weather operations in mountainous and cold weather environments.
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ATP 3-90.97 covers environmental conditions, terrain analysis, intelligence, operations, maneuver, engineering, sustainment, aviation, fires, communications, and training. It provides doctrinal guidance and direction for how United States (U.S.) forces conduct mountain and cold weather operations.
Applies to: The information contained in this manual applies to all Soldiers, regardless of rank or job specialty.
For military purposes, mountains are classified according to operational terrain levels and dismounted mobility and skill requirements. (paragraph 1-59)
Very high, greater than 3,048 meters (10,000 feet). (paragraph 1-60)
Level I terrain is located at the bottom of valleys and along the main LOCs. (paragraph 1-63)
High mountains exceed 1,829 meters (6,000 feet) and are characterized by barren alpine zones above the timberline. (paragraph 1-61)
As a result, retransmission requires focused and detailed planning. (paragraph 9-5)