Archive document s relating the first joint flight of two manned spacecrafts “Vostok-3” and “Vostok-4” can be found the website. There are documents by which one can understand how it was 50 years ago.
Unique archival document relating the first joint flight of two manned spacecrafts “Vostok-3” and “Vostok-4”:
The report relating to A.Nikolaev (“Vostok-3” ) and P.Popovich (“Vostok-4”) the search and the evacuation with their place of landing