Fix the enemy with direct and indirect fires to prevent them from engaging the breaching element.
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 3-90.4 pdf
Allow the main body time to deploy effectively. Fix the enemy with direct and indirect fires
What the commander must know about their own forces. atp 3-90.4 pdf
Once you have downloaded the PDF, you will find that ATP 3-90.4 is structured to solve specific tactical problems. Here is what you should bookmark immediately: