started in 1971 fireworks launch 1 georgy dobrovolsky vladislav volkov and viktor patsaev for the firste spent 23 days in orbit cosmonauts explored the waters of the oceans tested penguin load suits. they are used against hypodynamia, a series of medical experiments were carried out. unfortunately, when returning to earth, the crew usually died when they entered the dense layers of the atmosphere. uh, after the parachute opens, uh, the communication between the crew and the ground begins. they did not get in touch with the rapid decompression of the descent vehicle, that is, they practically died from lack of oxygen already during the flight. and when they descended to the ground, all resuscitation actions of medicine did not help the crew either. they didn’t bring them back to life, it was a big loss for us, but also an indication that it was necessary to fly with spacesuits , new salutes went into space after the first one, and with each successive launch, the time the crews spent in orbit increased. alexander alexandrov worked on the seven. almost 5 months, my expedition lasted, uh,