earth. An electrical failure in the rocket's third stage was the suspected cause. The Tsyklon-3 was retired after launching the Koronas-Foton satellite on 30 January 2009. Tsyklon-4 The Tsyklon-4 was under development as an evolution of the Tsyklon-3, but was eventually abandoned due to economic and market concerns. A derivative, the Cyclone-4M, is under development for Canadian service provider Maritime Launch Services; however the Cyclone-4M does not share any booster stage derived from the original Tsyklon series. Launches See also Comparison of orbital launchers families External links Yuzhnoye Design Office Alcântara Cyclone Space References 1973 in spaceflight 1974 in spaceflight Yuzhmash space launch vehicles Space launch vehicles of the Soviet Union