Which task is essential for convoy security?

Reconnoitering route trafficability and identifying obstacles is essential for convoy security because it ensures that the planned route can be safely traversed by the convoy. This task involves assessing the terrain, road conditions, and potential obstacles that could impair movement or pose a threat. By identifying issues such as damaged roads, steep inclines, or narrow passages, leaders can make informed decisions about rerouting or modifying the convoy plan to enhance safety and operational effectiveness.

This proactive approach not only helps in avoiding ambush points and hostile areas but also aids in maintaining the timely and secure arrival of the convoy to its destination. An understanding of the route’s characteristics is crucial for the convoy's overall success and troop safety. Other tasks like gathering weather intelligence, establishing a command center, or conducting aerial surveillance can support broader operational objectives but do not address the immediate concerns related to the physical route that the convoy will take.