"The BM-8 Rocket Launcher, or \"Katyusha\", was a series of rocket launcher systems that was used by the Soviet Union during World War II."@en . . . "Rocket launcher"@en . . . "BM-8 Katyusha Rocket Launcher"@en . "The BM-8 Rocket Launcher, or \"Katyusha\", was a series of rocket launcher systems that was used by the Soviet Union during World War II."@en . . . "BM-8 Katyusha Rocket Launcher"@en . "6400.0"^^ . . "5.5"^^ . "2"^^ . . . "82.0"^^ . "7.0"^^ .