Solid State Phased Array Radar System

The Solid State Phased Array Radar System (SSPARS), colloquially Ballistic Missile Early Warning System radar network (BMEWS radar network), is a United States Space Force radar, computer, and communications system for missile warning and space surveillance. There are SSPARS systems at five sites: Beale Air Force Base, CA, Cape Cod Space Force Station, MA, Clear Space Force Station, AK, RAF Fylingdales, UK, and Pituffik Space Base, Greenland.

Source: Wikipedia — Solid State Phased Array Radar System (CC BY-SA 4.0)