ATP 3-90.4 (also designated as MCWP 3-17.8 MCTP 3-34A ) is the U.S. Army and Marine Corps technical publication for Combined Arms Mobility
For service members and authorized personnel, the official, authenticated PDF is available through the Army Publishing Directorate (APD) or the Central Army Registry. Physical "mini" or "big" versions for field use are often sourced via specialized military vendors like My Army Publications.
Combat Roads and Trails: Guidance on the rapid construction and repair of essential transportation lines in a combat zone. atp 3-90.4 pdf
Tactical Employment
Operations to clear, construct, and maintain combat roads and trails. Aviation Support: Constructing forward airfields and landing zones. Line of Departure (.mil) The "Deep Area" Feature ATP 3-90
. It serves as the primary doctrinal foundation for planning and executing breaching operations against an organized enemy defense. Core Purpose
The ATP 3-90.4 PDF covers a range of topics related to reconnaissance and surveillance operations, including: Combat Roads and Trails: Guidance on the rapid
Official Source: Authorized personnel can access the PDF directly via the Army Publishing Directorate (APD) or the Central Army Registry (CAR).