Article · Wikipedia archive · Last revised Jul 8, 2026

425 Project

The 425 Project is a South Korean military space program aimed at developing and deploying a constellation of five reconnaissance satellites to enhance the country's independent military satellite capabilities. The project focuses on monitoring North Korea's nuclear and ballistic missile activities in near-real time and reducing reliance on foreign intelligence assets. The project is managed by the Defense Acquisition Program Administration (DAPA).

Last revised
Jul 8, 2026
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Wikipedia ↗
Falcon 9 Carrying First SAR Satellite of 425 Project on Bandwagon-1 Mission source ↗

The 425 Project is a South Korean military space program aimed at developing and deploying a constellation of five reconnaissance satellites to enhance the country's independent military satellite capabilities. The project focuses on monitoring North Korea's nuclear and ballistic missile activities in near-real time and reducing reliance on foreign intelligence assets. The project is managed by the Defense Acquisition Program Administration (DAPA).1234

Satellites

425 Project satellite also have a KORSAT designations, all the satellites launched on Falcon 9 and SAR components launch under SpaceX Bandwagon rideshare program.567

Name COSPAR-ID Launch date (UTC) Launch vehicle Orbital apsis Inclination Period (min) Status
425 Project EO/IR Sat-1 (KORSAT-7)68 2023-185B 01 December 2023 Falcon 9 Block 5 Operational
425 Project SAR Sat-1 (KORSAT-1)59 2024-066L 07 April 2024 Operational
425 Project SAR Sat-2 (KORSAT-2)10 2024-247A 21 December 2024 Operational
425 Project SAR Sat-3 (KORSAT-3)11 2025-081A 22 April 2025 Operational
425 Project SAR Sat-4 (KORSAT-4)12 02 November 2025 Operational
See also

See also

References

References

  1. Min-kyung, Jung (2025-10-31). "South Korea to launch 5th spy satellite from US". The Korea Herald. Retrieved 2025-11-02.
  2. "Korea 425 Mission". Supercluster. Retrieved 2025-11-02.
  3. "Thales Alenia Space to build four radar satellites for South Korea". SpaceNews. Retrieved 2025-11-02.
  4. Youn-sun, Choi (2025-10-31). "South Korea to complete military satellite network with final launch on Sunday". AJU PRESS. Retrieved 2025-11-02.
  5. "KORSAT 1, ..., 4 (425 Project SAR Sat 1, ..., 4)". Gunter's Space Page. Retrieved 2025-11-02.
  6. "KORSAT 7 (425 Project EO/IR Sat 1)". Gunter's Space Page. Retrieved 2025-11-02.
  7. "SpaceX". SpaceX. Archived from the original on 2025-09-23. Retrieved 2025-11-02.
  8. "425 Project Flight 1 & Rideshares | Falcon 9 Block 5 | Next Spaceflight". nextspaceflight.com. Retrieved 2025-11-02.
  9. "Bandwagon-1 | Falcon 9 Block 5 | Next Spaceflight". nextspaceflight.com. Retrieved 2025-11-02.
  10. "Bandwagon-2 | Falcon 9 Block 5 | Next Spaceflight". nextspaceflight.com. Retrieved 2025-11-02.
  11. "Bandwagon-3 | Falcon 9 Block 5 | Next Spaceflight". nextspaceflight.com. Retrieved 2025-11-02.
  12. "Bandwagon-4 | Falcon 9 Block 5 | Next Spaceflight". nextspaceflight.com. Retrieved 2025-11-02.