Proton KM-4
Stage · Russia
Original archive entry. The text, images and links below are kept as they were written.
LOx/LH2 propellant rocket stage. Planned version for Proton. Never developed.
Cost $ : 30.000 million.
Stage · Russia
Original archive entry. The text, images and links below are kept as they were written.
LOx/LH2 propellant rocket stage. Planned version for Proton. Never developed.
Cost $ : 30.000 million.