The info is out there. I'm looking for a paper written by DoD on underground tactics..I used to have it..kicking myself now
for the mean time -https://taskandpurpose.com/army-subterranean-warfare-training
Score -https://apps.dtic.mil/dtic/tr/fulltext/u2/a620416.pdf
THE ENEMY BELOW: PREPARING GROUND FORCES FOR SUBTERRANEAN WARFARE
ty ty happy hunting anon
TERMS & DEFINITIONS OF INTEREST FOR COUNTERINTELLIGENCE PROFESSIONALS
https://fas.org/irp/eprint/ci-glossary.pdf
circ. June 2014