It's surprising to me how much value there is around specifically what something is, when there's so little evidence.
s/value/waste/ Expended due to waste that is Government secrecy. No such govt, no such secrecy, no such waste. Eliminate that root cause of the waste. Invest the savings in living freely without it.
The response here should be to set up _public_ monitoring so we can see
It's now possible for people to crowd design an opensource rooftop mounted all spectrum monitoring sensor rig... 180 degree hemisphere video cameras in visible and infrared, audio, RF antennas, active panel radar, magnetometer, etc... design a range of rigs buildable for $250-$2500 depending on sensitivity, sensors included, etc. Feed it down inside to a CPU doing gnuradio processing, video audio detection motion software, recording, alerting, etc. Space the nodes every 1-5-10-25-50-100 km as can be, link them all across the internet to get wide area detection and tracking coverage. You'll find... Lots of GovCorp spyveillance flying over you so they can steer you like cattle with their now realtime propaganda messaging through their Fake News and Social Censorship and Tuning Gorps. Astronomical wonders. And hopefully some cool aliens. The network could offset cost by selling data access to NGO research. Though the higher value is in just publishing it all openly.