Yuzhnoye Design Bureau

Yuzhnoye Design Bureau (also transliterated Pivdenne, formally the State Enterprise "Yuzhnoye Design Bureau named after M.K. Yangel") is Ukraine's principal rocket and spacecraft design organization, headquartered in Dnipro and founded in 1951 by Soviet missile designer Mikhail Yangel. During the Soviet era it designed a series of intercontinental ballistic missiles, including the R-12, R-14 and R-16, under the OKB-586 designation; it continues ballistic-missile design work today, including the Hrim-2, alongside civilian and commercial space programs.

Its launch-vehicle heritage includes the Zenit family, the Dnepr launcher (a converted R-36 ICBM used for commercial satellite launches), and the Cyclone family. Cyclone-4M remains in development without a launch site: Maritime Launch Services ended its Nova Scotia agreement in 2024 and has since signed with another launch provider.

Yuzhnoye designed the first-stage core of Northrop Grumman's Antares rocket, flown on Cygnus cargo missions to the International Space Station, under a partnership with the former Orbital Sciences Corporation; Northrop moved that work to Firefly Aerospace in 2022 and the last Yuzhnoye-built stage flew in August 2023. The bureau also designs satellites, including the Sich Earth-observation series (Sich-2-1, Sich-2-M, Sich-3-O, Sich-3-P), the Mikrosat and Ionosat-Micro small satellites, and YuzhSat variants, along with a range of rocket engines and steering thrusters, including the RD-843 and RD-861K.

Yuzhnoye is a fully state-owned enterprise reporting to Ukraine's State Space Agency and is in the process of being converted into a joint-stock company wholly owned by the state. It works closely with, but is organizationally distinct from, the Pivdenmash manufacturing plant that builds the hardware it designs. As of 2026 the bureau remains active despite the disruption the Russian invasion has caused to Ukraine's space-manufacturing base.