It was founded in 1948 as Kapustin Yar-1 to serve a missile test range known as Kapustin Yar. Kasputin Yar-1 was granted town status in 1…It was founded in 1948 as Kapustin Yar-1 to serve a missile test range known as Kapustin Yar. Kasputin Yar-1 was granted town status in 1962. The closed town was renamed Znamensk in 1992. The military testing range is officially known as 4GCMP. Kapustin Yar is also the name of a nearby village.