... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... News . ... The rocket and space system Zenith-3SLB consisting of a launch vehicle (LV) Zenit-2SB with the upper stage Block DM-SLB has put the 3.2-ton telecommunications spacecraft Intelsat 18 into its target geotransfer orbit. ... The mission analysis was conducted by RSC Energia specialists within the Lead Operations Control Team working at the Mission Control Center for upper stages and unmanned spacecraft (RSC Energia at Korolev). ...