The Military & Aerospace Electronics take:
The Air Force spent $10.1 million in 2016 for two “Harvester Particulate Airborne Collection System” kits that can be strapped onto C-130H/Js and collect microscopic nuclear solids in the event that the service can’t make its WC-135 aircraft available, said Susan Romano, a spokeswoman for the Air Force Technical Applications Center (AFTAC), which is responsible for conducting nuclear surveillance for the Defense Department.
The system operator first would use Harvester’s Directional Gamma Radiation Sensor (DGRS) to pinpoint the radioactive plume. This particular component consists of four large sodium iodide radiation detectors and a complex processing algorithm.
The original article is here.