https://www.iflscience.com/environment/humans-are-making-less-seismic-noise-due-to-worldwide-lockdown-measures/

https://www.military.com/daily-news/2020/03/26/space-force-launches-its-first-satellite.html

https://intelligencecommunitynews.com/array-to-support-us-space-force/

Is the new Space Force satellite array mapping subterranean tunnels?