The Space-Based Infrared System (SBIRS) is a United States Space Force system intended to meet the United States' Department of Defense infrared space surveillance needs through the first two to three decades of the 21st century. The SBIRS program is designed to provide key capabilities in the areas of missile warning, missile defense, battlespace characterization and technical intelligence via satellites in geosynchronous Earth orbit (GEO), sensors hosted on satellites in highly elliptical orbit (HEO), and ground-based data processing and control.

The United States Space Force (USSF) is the space service branch of the United States Armed Forces. Along with the Air Force, it is part of the Department of the Air Force, led by the secretary of the Air Force. Its military heads are the chief of space operations, who is one of the Joint Chiefs of Staff, and the vice chief of space operations.