If the ground unit cannot move a load off the LZ quickly, subsequent serials of aircraft into that LZ must maneuver to avoid. The sequencing of forces into the LZ is critical. Each serial must be ready to execute at either the primary or alternate LZ. 5. Planning the landing zone. The LZ is where the ground and aviation forces separate.
Landing is the critical moment in any air assault.
The assault force has the option to go left, right, or out both doors. This must be relayed to all Infantry chalk leaders. Aircraft egressing depart the LZ over the departure end. Executing the landing plan. The landing is the most critical part of an air assault.