Video: '1962: Vostok 3 and 4 (USSR)'
(Sunday, August 12, 1962, 4:04 a.m. EDT) — One day after sending Andrian Nikolayev into orbit, the Soviet Union launched Vostok 4 today with cosmonaut Pavel Popovich on board from Gagarin’s Start at Baikonur Cosmodrome at atop a Vostok 8K72K rocket. Both men landed safely Aug. 15.