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).^[1][2][3][4]

Falcon 9 Carrying First SAR Satellite of 425 Project on Bandwagon-1 Mission

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.^[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