Tsyklon-3
…First flight 24 June 1977 Last flight 30 January 2009 Carries passengers or cargo Tselina Meteor Okean Geo-IK Strela First stage – 11K69 Powered by 1 RD-261 module (3 RD-250PM engines) Maximum thrust 3,032 kN (682,000 lbf) Specific impulse 301 sec Burn time 120 seconds Propellant N2O4 / UDMH Second stage…