>For hunting radiological spikes and especially any sort of signals intelligence. I mean I guess they could be trailing that tech on a drone, but if they REALLY needed to find something they wouldn't limit their detection capability to a small number of drones that only fly at night. Why tho? [Isotopic fingerprinting is cheaper when equipped on drones](https://www.kromek.com/product/autonomous-airborne-radiation-monitoring-system/.)