What characteristic is critical for effective GEOINT collection on mobile targets?

The characteristic that is critical for effective GEOINT collection on mobile targets is the speed of movements. This is because mobile targets can change their location rapidly, making it essential for GEOINT systems and personnel to adapt and collect data efficiently to capture relevant information before the target moves out of range or becomes unobservable.

In the context of mobile targets, understanding and anticipating movement patterns is crucial for effective intelligence collection. Systems designed for such operations often integrate real-time tracking capabilities, which help in maintaining the focus on the target despite its mobility. Acquisition strategies, sensor placements, and data processing mechanisms are all influenced by the need to keep up with the target's movement dynamics.

While rapid data processing, extended thermal imaging, and low-cost sensors can enhance overall GEOINT capabilities, without the ability to account for and respond to the speed of the mobile targets, the effectiveness of the intelligence collection would be compromised. Thus, speed of movements is fundamental in ensuring that intelligence remains relevant and actionable.