to regain control of spacecraft and
it reenter Earth’s atmosphere on 8th
of May. The cost of the loss of the
mission was valued at RUB 2.59 billion
(US $50.7 million).
Implications:
• Although Progress M-27M achieved
low-earth orbit, it become a
second cargo vehicle (along with
Progress M-12M) that was not able
to complete it mission.
• Liquid propellant rocket engine
RD-0110 is not a brand new
engine. Since it become space
worthy in 1965 and fully certified in
1967 it had been successfully flew
for more than 1,500 missions on
almost all modifications of Soyuz
rockets (except Soyuz-2.1b and
Soyuz-2.1v); Apparently there is
an alarming breakdown in quality control process, however we
should wait for investigation board
final report that should reveal a
root cause.
• All of above launch vehicles from
Soyuz LV family would remain
grounded pending the results of
the investigation into the failure by
Accident Investigation board.
• Impact on ISS operation schedule
Progress M-28M return to flight
mission is tentatively scheduled for
3rd of July (originally planned for
August) and it would be launched
on top of Soyuz-U launch vehicle.
• Impact on ISS operation schedule
for manned missions - ISS mission
planners delayed the Soyuz TMA15M landing till 11th of June and
Soyuz TMA-17M launch until July.
• Progress M-27M was a second
spacecraft launched on top
of Soyuz-2.1a launch vehicle.
Further delay in certifying Soyuz2.1a to launch cargo Progress
and manned Soyuz spacecrafts
should be expected (as well as
subsequent delay in planned
decommissioning of Soyuz-U and
Soyuz-FG launch vehicles).
• Next attempt to launch cargo supply mission on top of Soyuz-2.1a LV
(maiden flight of new Progress-MS
spacecraft