Finally, on April 25, 1969 during a meeting of the Soyuz State Commission, it was decided that the solo and docking flights outlined for 1969 by design bureau OKB-1 would be combined into a joint flight of three spacecraft.  The plan was to fly Soyuz...

The Vulcan device consisted of two major units. The first unit included various welding devices and a turn-table with samples of metals to be welded. The second unit consisted of an electric power pack, a protective shield which covered the welding u...