Three of the carrier rocket “proton-M” with defective components delivered to Moscow. One of them is already repaired, sent back to Baikonur in late July with her help, was successfully launched satellites “Express-80” and “Express-103”. About it RIA Novosti reported in the “Roskosmos”.

Previously the CEO of the Corporation Dmitry Rogozin said that marriage was admitted in 2015-2016 in the manufacture of the individual parts of the plant in the Chelyabinsk region. In March this year the launch of the “Express” had been postponed because of the need of replacement of defective components. “Don’t worry, it will not affect the launch campaign. Only four months we had to move one start,” – said Rogozin.

the Human factor was often the cause of accidents in the aerospace industry. For example, ten years ago in the Pacific ocean fell three satellites “GLONASS-M”. It turned out that the upper stage accidentally poured half a ton of excess fuel. Another accident occurred in July 2013. The investigation revealed that three of the six sensors in the rocket “proton-M” was installed upside down.