Methods for removing obstacles or hazards from routes and areas to allow safe passage.
As of , a new version of ATP 3-90.4 was released, totaling approximately 316 pages. Recent doctrine announcements in 2025 have noted specific terminology shifts; for instance, the term "covert" (formerly used for "covert breaching" or "covert crossing") is being replaced by the term "clandestine" to better align with legal and military definitions. How to Access the ATP 3-90.4 PDF atp 3-90.4 pdf
Guidance on the rapid construction and repair of essential transportation lines in a combat zone. Methods for removing obstacles or hazards from routes
Tactical techniques for breaking through enemy-defended barriers or minefields. atp 3-90.4 pdf