On April 28, 2015, the Progress M-27M transport cargo ship launched from Baikonur to the ISS and disappeared from radar 1.5 seconds before the estimated time of separation of the 3rd stage of the launch vehicle.
MCC specialists tried to restore communication with the ship for two days, then it was decided to abandon docking with the ISS and begin bringing the ship out of orbit with subsequent flooding.
Comments on: Igor Komarov, Alexander Ivanov, Vladimir Solovyov.
Komarov I.A. - statesman and politician, industrialist, financier, Director General of the State Corporation "Roscosmos" (2015-2018), member of the Security Council of the Russian Federation. A.N. Ivanov is a Russian manager, Candidate of Military Sciences, First Deputy Director General of the State Corporation Roscosmos (2016-2018). Soloviev V.A. - pilot-cosmonaut, scientist, designer, Doctor of Technical Sciences, Professor, corresponding member of the Russian Academy of Sciences, twice Hero of the Soviet Union. Kononenko O.D. - test cosmonaut, Hero of the Russian Federation, Hero of Turkmenistan.