The 4th Space Operations Squadron (4 SOPS) is a unit of the United States Air Force (USAF) under the operation of the 18th Space Control Squadron (18 SPCS). This squadron, stationed at Vandenberg Air Force Base in California, plays a crucial role in space-based missile warning and defense, satellite tracking, and space situational awareness. The 4 SOPS monitors and reports on various orbital events, ensuring the safety and secure operation of U.S. and allied satellites. Additionally, it provides support for the Missile Warning System (MWS), a network that detects missile launches globally. The squadron’s mission is integral to maintaining peace, stability, and military superiority in the space domain.