US Space Force plans space radar to 'identify emerging threats' in distant Earth orbit 

 The United States, United Kingdom and Australia signed an agreement to develop a deep space radar capability to keep an eye on what's happening in geosynchronous orbit. 

https://cdn.mos.cms.futurecdn.net/LmU7Vzrr3v8mrVzgbkscJV.jpg

https://www.space.com/space-force-deep-space-radar-capability-emerging-threats