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).
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.
NameCOSPAR-ID Launch date (UTC)Launch vehicleOrbital apsisInclinationPeriod (min)Status 425 Project EO/IR Sat-1 (KORSAT-7)2023-185B01 December 2023Falcon 9 Block 5425 Project SAR Sat-1 (KORSAT-1)2024-066L07 April 2024425 Project SAR Sat-2 (KORSAT-2)2024-247A21 December 2024425 Project SAR Sat-3 (KORSAT-3)2025-081A22 April 2025425 Project SAR Sat-4 (KORSAT-4)02 November 2025 See also Malligyong-1
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