ISS orbit was adjusted on May 18,2015. According to ballistic and navigational support service specialists calculations progress M-26M cargo vehicle thrusters were ignited at 03.30, Moscow time and have been operating for 1922 seconds. As a result of this maneuver the station got velocity increment of 1,75 m/s.

Roscosmos expects Commission investigating Progress accident cause to complete works by May 22. The period of investigation was increased from May 12 to May 22, by May 22 Commission will present final conclusion, - Federal Space Agency representative reported.

On May 12, 2015, RSC Energia Director General Deputy and ISS Russian segment flight director V.A.Soloviyov announced that Roscosmos corrected ISS flight program as agreed with partners due to the loss of Progress M-27m cargo vehicle caused by booster accident.

The launch of Soyuz TMA-17M spacecraft initially scheduled for May 26 will be shifted to mid-July, - the spokesman for space industry reported.

Russian cargo vehicle Progress M-27M re-enterned the atmosphere and burned in the region above the Pacific Ocean on Friday, May 8, at 05.04, Moscow time.

According to Roscosmos specialists’ calculations Progress M-27M cargo vehicle launched on April 28, 2015 will re-enter the atmosphere in the time period from 01:23 to 21:55, Moscow time. A day before the factored moment Roscosmos will report more precise data on time and possible region of Progress debris fall.

On Wednesday morning Progress M-26M cargo vehicle docked to the ISS increased medium altitude of station’s orbit by 2 km.

At 10:09:50, Moscow time, April 28, 2015, Progress M-27M cargo vehicle was launched by Soyuz-2.1a booster from Baikonur spaceport. The launch and the flight were nominal, but 1,5 seconds before vehicle was to separate from the 3rd stage of the booster telemetry data was lost. At that it was found out afterwards that the vehicle separated in time.

On April 26, 2015, according to the decision taken by State Commission rocket and space industry launching crews rolled-out Soyuz-2.1a booster with progress M-27M cargo vehicle to the launching pad #31 of Baikonur spaceport. The rocket was installed and the specialists started working in accordance with the first launching day schedule.

At 09.41, Moscow time. April 25, 2015, Progress M-25M cargo vehicle undocked from the station.