18th Space Defense Squadron

The 18th Space Defense Squadron (18 SDS), a component of Space Delta 2, is the U.S. Space Force’s premier Space Domain Awareness squadron and provides and advances a continuous, comprehensive, and combat-relevant understanding of the space situation. The squadron is located at Vandenberg Space Force Base (SFB), California, and executes command and control of the U.S. Space Surveillance Network (SSN) – a global collection of ground and space-based sensors that track all man-made objects in Earth’s orbit.

20th Space Surveillance Squadron

20th Space Surveillance SquadronThe 20th Space Surveillance Squadron, Site C-6, Eglin Air Force Base, FL, tracks more than 16,000 near-Earth and deep-space objects. Additionally the squadron has four Ground-based Electro-Optical Deep Space Surveillance detachments assigned to it: 20 SPSS, Detachment 1, Socorro NM, 20 SPSS, Detachment 2, Diego