Final answer:
The statement is false; site surveys are indeed a critical part of the Expeditionary Site Survey Process, involving the analysis of data to determine suitability for a mission.
Step-by-step explanation:
The statement 'Site surveys are NOT a part of the Expeditionary Site Survey Process' is False. Site surveys are actually a critical component of the Expeditionary Site Survey Process. A site survey involves the collection and analysis of data to determine the suitability, resources, constraints, and risks associated with the deployment and operational support of military or other expeditions in a new location. Properly conducting a site survey ensures the safety and effectiveness of the mission by analyzing various aspects such as geography, existing infrastructure, communications, security, and logistics.