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In a typical mission, a Proton-M is accompanied by a Briz-M upper stage. The Proton-M launches the orbital unit (that is: the payload, the payload adapter and the Briz-M) into a slightly suborbital trajectory. The first and second stages and the payload fairing crash into designated crash sites; the third stage crashes into the ocean.
As of September 2015, 3 Proton-M/Blok DM-03 have been launched, of which 2 have failed. In the 2010 failure, the rocket was too heavy to reach orbit and reentered the atmosphere during a coast phase between the end of third stage flight and the beginning of the Blok DM-03's first burn, whilst the 2013 flight failed after the rocket went out of ...
26 March 2013 19:06:48 Proton-M/Briz-M 8K82KM/11S43 Site 200/39 Satmex 8: Geosynchronous transfer Success [30] Communications, Commercial launch conducted by International Launch Services 935-37 15 April 2013 18:36:00 Proton-M/Briz-M 8K82KM/11S43 Site 200/39 Anik G1: Geosynchronous transfer Success [31]
On 2 July 2013, a Proton-M launching three GLONASS navigation satellites experienced a failure reminiscent of the 1960s disasters shortly after liftoff when the booster crashed near LC-39 at Baikonour, ending a 30-year unbroken stretch without a first stage failure; all future Proton flights were suspended pending investigation. [25]
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Briz-M stage failure 67 26 March 2013 Proton-M/Briz-M Baikonur, Kazakhstan Success Satmex 8 communications satellite Satellite placed into Geostationary transfer orbit [24] 68 15 April 2013 Proton-M/Briz-M Baikonur, Kazakhstan Success Anik-G1 satellite [25] 69 14 May 2013 Proton-M/Briz-M Baikonur, Kazakhstan Success Eutelsat-3D satellite [26] 70
As of 13 March 2023, rockets of the UR-500 / Proton family have accumulated 430 launches since 1965, 382 of which were successful, yielding an 88.8% success rate. For launches in a specific decade, see: List of Proton launches (1965–1969) List of Proton launches (1970–1979) List of Proton launches (1980–1989)
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