What is a key requirement when planning for an air assault operation?

Developing a proposed landing site is crucial in planning for an air assault operation because a suitable landing zone (LZ) directly affects the operation's success. The characteristics of the LZ, such as size, surface type, accessibility, and surrounding terrain, must be evaluated to ensure that helicopters can safely land and take off while also facilitating troop movement and other logistical requirements. Additionally, a well-planned LZ can enhance operational efficiency, mitigate risk during landings and takeoffs, and respond effectively to changing combat conditions.

By having a clearly defined proposed landing site, planners can address potential threats, ensure the site is defensible, and coordinate troop and equipment movements. This leads to more effective mission execution and contributes to overall mission success.