"Development" . . . . . "The Tsyklon-4 or Cyclone-4, also known as Tsiklon-4, is a Ukrainian carrier rocket which is being developed for commercial satellite launches. Derived from the Tsyklon-3, it has a new third stage, a larger payload fairing, and a modernised flight control system compared to its predecessor. Control system has been developed by JSC Khartron."@en . . . . "3"^^ .