Soviet propaganda poster in the visual idiom of April 1961, the month Yuri Gagarin became the first human in space. Поехали! - 'Let's Go!' - was Gagarin's actual exclamation at the moment of launch and became one of the most-quoted phrases in the Russian language. The Vostok 8K72K rocket arcs upward, leaving a curving red-and-gold exhaust trail. Available as a print at sovietspaceprogram.com.