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FM 3-97.6: Mountain Operations

Field manual 3-97.6 describes the tactics, techniques, and procedures that the United States Army uses to fight in mountainous regions. It is directly linked to doctrinal principles found in FM 3-0 and FM 3-100.40 and should be used in conjunction with them. It provides key information and considerations for commanders and staffs regarding how mountains affect personnel, equipment, and operations. It also assists them in planning, preparing, and executing operations, battles, and engagements in a mountainous environment.

Army units do not routinely train for operations in a mountainous environment. Therefore, commanders and trainers at all levels should use this manual in conjunction with TC 90-6-1, Army Training and Evaluation Program (ARTEP) mission training plans, and the training principles in FM 7-0 and FM 7-10 when preparing to conduct operations in mountainous terrain.


  • 2016-04-29: Superseded by ATP 3-90.97.
  • 2000-11-28: This publication [pdf] supersedes FM 90-6, 30 June 1980.