Specific support for creating and maintaining landing zones and forward airfields. Recent Updates and Terminology Changes

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

The overarching framework for ensuring forces can move freely where and when needed.

Procedures for moving forces across inland water obstacles or other terrain gaps.

You can search for the manual on the Official Army Publishing Directorate site. Note that some versions may have distribution restrictions (such as "Distribution Statement C"), limiting access to U.S. Government agencies and contractors.

For those who prefer a hard copy, specialized vendors like My Army Publications offer the manual in "Big" (8.5 x 11) or "Mini" sizes with laminated covers for field use.