Tactical training asks people to search, assess, and decide under stress. Where they looked, and in what order, is the record of how that decision was reached.
How an officer scans a room or a scene, and what an experienced scan looks like compared to a novice one.
Gaze behavior and pupil dynamics through a scenario, as objective evidence of attention and workload.
A first-person record with gaze overlaid, so training review starts from what was actually seen.