AFSPC-6 (GSSAP 3 & 4)

GSSAP (Geosynchronous Space Situational Awareness Program) or Hornet is a series of space surveillance satellites developed covertly by the Air Force and Orbital Sciences to provide a space-based capability operating in the near-geosynchronous orbit regime supporting U.S. Strategic Command space surveillance operations as a dedicated Space Surveillance Network (SSN) sensor.