Categories: Military / Defense

Subterranean Operations, Army Techniques Publication No. 3-21.51, November 2019

Background

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.

Document Archive

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

 

Continue scrolling for more...

 

 

 

 


 

Follow The Black Vault on Social Media:

This post was published on November 21, 2019 5:10 pm

John Greenewald

Recent Posts

TEMPS (Transportable Electromagnetic Pulse Simulator) Final Reports, 1973

The two volumes of the TEMPS (Transportable Electromagnetic Pulse Simulator) Final Report, dated August 1973…

June 8, 2025

FBI Releases Internal Emails on Comey Following FOIA Appeal Win by The Black Vault

This was originally published on  November 7, 2023. The article has been left unchanged, but…

June 6, 2025

Newly Released Navy Emails Reveal UAP Coordination, Five Eyes Briefings, and Forgotten Redactions

In a newly released batch of internal U.S. Navy emails, obtained by The Black Vault…

June 3, 2025

What the U.S. Military Now Says About TTSA’s Anomalous Artifact

The U.S. Army has officially closed out its Cooperative Research and Development Agreement (CRADA) with…

May 29, 2025

Defense Department Emails Confirm 2017 UAP Briefings, Further Clarify Luis Elizondo’s Role in AATIP

Newly released internal emails from the Department of Defense, obtained through a FOIA request filed…

May 28, 2025