Source: the investigation is no clear-cut versions of PE with “progress” – RIA Novosti

MOSCOW, May 18 – RIA Novosti. The investigation has not yet confirmed versions of the accident “Progress”, told RIA Novosti source in the commission of inquiry into the accident rocket “Soyuz-2.1a” a space truck ” Progress M-27M “.

” There is hard work in the factories. This week, it is necessary to hold a series of full-scale ground tests. Without them, it would be premature to name any unconfirmed version. By May 22 we shall understand “, – he said, the spokesman.

The upgraded carrier rocket “Soyuz-2.1a” with the cargo ship “Progress M-27M” was launched from “Baikonur” on April 28. Branch ship from the third stage carrier passed abnormally, the space truck turned into an unplanned orbit in the strong twist, docking with the ISS had to be canceled. Attempts to “Progress M-27M” under control nor to no avail: he began uncontrolled descent of orbit. May 8 truck ceased to exist over the central Pacific Ocean.