In February of 1962, the United States put John Glenn into orbit. This prompted Soviet leadership to suddenly asked Chief Designer Korolev to launch the next space spectacular promptly. To make this mission truly spectacular the Soviets decided to launch a group flight of two Vostoks lasting up to four days in orbit.
Vostok 4 on Pad
Popovich in Orbit
Nikolaev & Popovich
The Troops and I Thank-you For 100 Likes on Facebook!