Jun 15

Space Rocket History #441 – Salyut 4

The Salyut 4 space station, designated DOS-4, marked the second phase of the Soviet Union’s civilian space station program. It was an improved version of the failed Salyut 2 station, with several notable enhancements.

Salyut Stations

Salyut 4

Salyut 4

 

Mar 25

Space Rocket History #335 – Impacts of Soyuz 11 on Future Soyuz, Salyut-1 & Apollo

It was decided that henceforth, cosmonauts would wear pressure suits for launch and the return to Earth. Also, a system was installed to automatically pump air into the descent module in the event of decompression.  Additionally, the ventilation valves were modified so a premature opening would cause them to re-close automatically.  Of course these changes meant the spacecraft could only accommodate two cosmonauts.

Mar 11

Space Rocket History #334 – Soyuz 11 – Death in Space

The recovery team quickly opened the hatch and were shocked to find the men motionless, as if asleep or unconscious.

Feb 26

Space Rocket History #333 – Soyuz 11 – Downfall & N1 Update

Volkov transmitted to Flight Control: “The hatch is not hermetically sealed! … What can we do? … What can we do?”