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…
Browsing: underground
The “Dulce Base” in Dulce, New Mexico / The Subterrene
Background Although it seems to be made of myth and legend, the secret military installation…
