ATP 3-21.51 provides doctrinal guidance and direction for all brigade combat teams (BCTs) and their subordinate elements conducting subterranean operations. The principal audience for ATP 3-21.51 is all members of the profession of arms. Commanders and staffs of Army headquarters serving as joint task force (JTF) or multinational headquarters should also refer to applicable joint or multinational doctrine concerning the range of military operations and joint or multinational forces. Trainers and educators throughout the Army will also use this publication.

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Subterranean Operations, Army Techniques Publication No. 3-21.51, November 2019 [228 Pages, 17MB]

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