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). [1] [2] [3] [4]
425 Project satellite also have a KORSAT designations, all the satellites launched on Falcon 9 and SAR components launch under SpaceX Bandwagon rideshare program. [5] [6] [7]
| Name | COSPAR-ID | Launch date (UTC) | Launch vehicle | Orbital apsis | Inclination | Period (min) | Status |
|---|---|---|---|---|---|---|---|
| 425 Project EO/IR Sat-1 (KORSAT-7) [6] [8] | 2023-185B | 01 December 2023 | Falcon 9 Block 5 | Operational | |||
| 425 Project SAR Sat-1 (KORSAT-1) [5] [9] | 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 | |||||
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