ATP 3-90.4 (also designated as MCWP 3-17.8) is a joint United States Army and Marine Corps manual titled Combined Arms Obstacle Breaching Operations

  1. Stryker Infantry Battalions: Three to four infantry battalions equipped with Stryker armored vehicles.
  2. Stryker Cavalry Squadron: A cavalry squadron equipped with Stryker armored vehicles.
  3. Artillery Battalion: A field artillery battalion equipped with the M109A6 Paladin or other artillery systems.
  4. Engineer Battalion: A combat engineer battalion providing engineering support.
  5. Signal Company: A signal company providing communication support.

Primary Audience:

Maneuver commanders, staff officers, and engineer leaders.

Key Concepts and Techniques

What is ATP 3-90.4?

Since the return to LSCO (inspired by the war in Ukraine and near-peer threats like Russia and China), the Army has shifted focus from counterinsurgency (COIN) to high-intensity conflict. ATP 3-90.4 is the Bible for this transition.

Common Misconceptions (What the Manual Won't Tell You)

Assured Mobility

ATP 3-90.4 integrates the concept of , which is a framework that helps commanders preserve their force's ability to move while denying that same capability to the enemy. Primary Mobility Tasks