RFA ONE
Three-stage small-lift orbital launch vehicle delivering up to 1,300 kg to SSO, powered by nine Helix oxygen-rich staged combustion engines on the first stage and a vacuum-optimized Helix variant on the second stage
Three-stage small-lift orbital launch vehicle delivering up to 1,300 kg to SSO, powered by nine Helix oxygen-rich staged combustion engines on the first stage and a vacuum-optimized Helix variant on the second stage