R-7 (rocket family)

The R-7 Semyorka is a family of Russian and Soviet rockets. They were first developed as an intercontinental ballistic missile. Then it evolved into rockets carrying people. Some of the rockets in this family include the Soyuz, Voskhod, and Vostok. The R-7 rockets are known for the korolev cross, which happens when the rockets separate their boosters.