Artist’s rendering of WGS-11+

Fact Sheets

  • Space Delta 4

    Space Delta 4 operates and supports three constellations of Overhead Persistent Infrared satellites and two types of Ground-Based Radars for the purpose of conducting strategic and theater missile warning.

  • Upgraded Early Warning Radars

    The U.S. Space Force maintains Upgraded Early Warning Radars (UEWR). These radars are capable of detecting ballistic missile attacks and conducting general space surveillance and satellite tracking. They are located across both the United States and United States European Command.