Aircraft egressing depart the LZ over the departure end. Executing the landing plan. The landing is the most critical part of an air assault. It is here that air assault forces are most vulnerable. For the landing to go smoothly, the conditions must be set in accordance with the conditions checklist.
Suppressive fires deny the enemy unhindered access to the landing forces.
Timing of fires is critical to the success of the air assault. Conditions are set to ensure the air assault forces will succeed. Information about ourselves, terrain, weather, and the enemy is required to confirm if conditions are set or not. See Chapter 5, Integrated Supporting Operations for further discussion of setting conditions. The control and distribution of all available means to suppress the enemy at our most vulnerable time is imperative.