On April 10, 2015, in the integration building of #31 launchpad Progress rocket and space Centre and Yuzhny space centre specialists started preparing Soyuz-2.1a booster for the launch of Progress M-27M cargo vehicle. First, second and third stages of the booster are already placed on the working place, the first stage is being prepared for pneumatic tests.
Late April progress M-27M cargo vehicle will deliver more than 2,5 tons of cargo to the ISS. Currently the vehicle is stored in the integration #254 of the spaceport, next week the vehicle will be filled with propellant components.
The launch of Soyuz-2.1a with Progress M-27M vehicle is scheduled for April 28, 10.09, Moscow time. It will be the second test launch of cargo vehicle performed with the help of Soyuz-2 booster.