preparation, a control check of the system, the long-awaited commands, the key to start , and andrey goldyrev watched the process. from launch to spacewalk is only 10 minutes, but before the rocket takes off at the cosmodrome, many days of painstaking work is being done on its way. soyuz 21v starts back in the assembly test building from here 2 days before the cannon is rolled out to the launch pad, specially the train moves from no more than 5 km/h. here it is important to be careful to exclude the slightest deformation of the launch vehicle. also, slowly, and then it is lifted and installed, despite the beauties that open from a height of more than 40 m, working here on a maintenance colony is a real heroism. hot in summer, cold in winter. and now everything is blown by all the winds, but in order for everything to go smoothly, dozens of people are working, hi themes are being tested and prepared for refueling, a special role for temperature control specialists. they are responsible for maintaining the required temperature in the head around the fairing, this is where the spacecraft are loc