Vote for this video by social sharing!in 1966 the first 2 Sozyuz spacecraft were supposed to meet in space, Soyuz 7K-OK-No.1 ended up being delayed after problems with Soyuz 7K-OK-No.2. Months later No.1 was readied for launch, but never made it off the pad due to technical problems that ultimately lead it its destruction.
Unfortunately, there’s no pictures or recording available so I instead rendered the event using Kerbal Space Program.
One of the best sources on this event is Anatoly Zak’s work:
Also See David Portree who wrote a great history of Mir hardware