The spent third stage of the Soviet rocket "Cyclone-3" was destroyed in the space after 29 years after starting with the formation of the 75 fragments, said 18 squadron of observation of outer space, the U.S. air force. Rocket " Cyclone-3 ", produced at Ukrainian " Pivdenmash ", used to start in the last month of summer 1991 meteorological satellite " meteor-3 ". "Eighteenth squadron of observation of outer space, the U.S. air force agreed that the destruction stage of the rocket SL-14 (American designation "Cyclone-3" - ed.) was 12 February 2020 10. 46 UTC (13. 46 GMT). Tracked 75 related debris - no display, after all this happened caused by a collision (with another object), " - said in a report to the squadron on Twitter. It is noted that the step having the number 21656 and international designator 1991-056B open catalog of space objects the United States air force, was in orbit with the lowest altitude of 1186 kilometers and most of 1,206 kilometers. The us military did not specify whether the wreckage of the stage a danger to operational satellites. Based at Vandenberg air force base (California) 18th surveillance squadron of outer space, the U.S. air force is engaged in detection, tracking and identification of all artificial objects in earth orbit. in April 2019, the Commissioner of TsNIIMash (research Institute of head of the Roscosmos ) Yuri Kaluka said that about 250 of the destruction of space objects (active and inactive satellites, spent stages of carrier rockets and boosters) are documented in orbit since 1961, when it was the first such event. According to his statement, the destruction of the space objects occurred either as a result of their explosions, or after colliding with other objects. <span style="color:darkgray