Roscosmos develops and manufactures land- and sea-based strategic missile systems. Some of them have been on alert for decades to ensure our country's security, while others are undergoing flight tests. Roscosmos website: https://www.roscosmos.ru/ Roscosmos in social networks: Vk: https://vk.com/roscosmos Ok: https://ok.ru/roscosmos Telegram: https://t.me/roscosmos_gk Rutube: https://rutube.ru/channel/770606/