MKB Raduga (Russian: МКБ Радуга, meaning Raduga Design Bureau (Russian: машиностроительное конструкторское бюро «Радуга»), where raduga literally means "rainbow") is a Russian aerospace company, concerned with the production of various missile-systems and related technologies. It is headquartered in Dubna, Moscow Oblast. Formerly a division of the Mikoyan-Gurevich design bureau, it was spun off as a separate OKB (design bureau, Russian: опытно-конструкторское бюро) in March 1957.