GLONASS (Russian: ГЛОНАСС-М), also known as Uragan (Russian: Ураган) (GRAU Index 11F654) are the first generation of Uragan satellite used as part of the Russian GLONASS radio-based satellite navigation system. Developed by Reshetnev Information Satellite Systems, it had its debut launch on 12 October 1982, with the last launched unit on 25 December 2005 and the retirement of the last unit Kosmos 2403 on 30 April 2009. It has been superseded by the GLONASS-M (GRAU Index 11F654M), the second-generation satellites.