Which form of CBRN reconnaissance minimizes personnel exposure to hazards?

The form of CBRN reconnaissance that minimizes personnel exposure to hazards is remote reconnaissance. This method employs technologies and equipment to gather intelligence without placing personnel directly in danger. Remote reconnaissance can involve the use of unmanned aerial vehicles (UAVs), sensors, or other devices that can collect data from a safe distance. The significant advantage is that it allows for monitoring of hazardous areas while keeping personnel away from potential threats, such as chemical, biological, radiological, or nuclear materials.

While mounted and dismounted reconnaissance can provide valuable information about the environment, they typically involve having personnel in proximity to the hazards, thereby increasing their exposure risk. Aerial reconnaissance does minimize risk but is often considered part of remote methods. Therefore, remote reconnaissance, as a category, stands out for its primary focus on keeping people safe from direct contact with hazardous elements while still effectively gathering necessary intelligence.