M-3S-1 launched the MS-T4 engineering satellite, renamed Tansei 4, from Kagoshima Space Center on 17 February 1980. The mission validated the fully controlled M-3S configuration and several future spacecraft-control technologies.
M-3S-1 launched the MS-T4 engineering satellite, renamed Tansei 4, from Kagoshima Space Center on 17 February 1980. The mission validated the fully controlled M-3S configuration and several future spacecraft-control technologies.