Defense Support Program
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The Defense Support Program (DSP) is a program of the United States Space Force that operated the reconnaissance satellites which form the principal component of the Satellite Early Warning System used by the United States.
Painting of a DSP satellite on station. Primary sensor (lower left) is pointed at Earth. The star tracker is seen pointing off to the side, above and to the right.
DSP satellite deployment during STS-44
United States Space Force
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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.
Concept for a Space Force Rocket Cargo program conducting humanitarian assistance and disaster relief operations
Launch of the Army Ballistic Missile Agency's Explorer 1, America's first satellite
The X-20 Dyna Soar was intended to be the Air Force's first spaceplane
Cobra Dane radar at Shemya Air Force Base, Alaska