Here’s a photo of the inside of Soyuz. Note this actually carried people to the ISS and the US had NOTHING doing that in 2019. Visualize it 2019.
1960s was vacuum tubes. Now study this carefully with only ONE SPECIFIC question in mind, and don’t digress away from it.
Do you see any evidence of vacuum tube technology?
https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2010/11/interior_of_a_soyuz_tma_simulator3/9681125-3-eng-GB/Interior_of_a_Soyuz_TMA_simulator.jpg
