on the evening of september 8, 2021 year, russian cosmonauts oleg novitsky and pyotr dubrov went to bedlying out at the sound of a siren, navitsky and dubrov smelled harry, they had to get up there, react to this signal, do something, and something had to be done very quickly, in a fire , seconds count, to fortunately, there were no flames or smoke from navitsky and dubrov discovered. very often there is a false alarm, because these smoke detectors react to changes in the transparency of the atmosphere, but it can be just a particle, dust, or just dust, a cloud of dust, because there is a lot of dust there, especially in the space behind the panels, in the non-residential area to get rid of the burning smell, the cosmonauts turned on the on-board air purification device and lay down to take a nap, exhaled on the ground, it was a false alarm, no, this time, but at tsup they well remember the emergency situation when the space station really was burning. on february 10, 1997 , russian cosmonauts vasily tsybliev, alexander lazutkin and german reinhold ewald launched from baikanur. alexande