It took me quite some time to figure our what that meant.
Looks like what the Russians are proposing is to either make the RD-0124 3rd stage engine restartable, or make it able to throttle to a lower thrust so that it can be tailored for LEO/SSO direct insertion missions.
Maybe i have overread it, but i did not see any timeframe given for the Soyuz-2M version.
It took me quite some time to figure our what that meant.
Looks like what the Russians are proposing is to either make the RD-0124 3rd stage engine restartable, or make it able to throttle to a lower thrust so that it can be tailored for LEO/SSO direct insertion missions.