Parus (satellite)
Parus (Russian: Парус meaning Sail), also Tsyklon-B or Tsiklon-B (Russian: Циклон-Б meaning Cyclone-B) and Tsikada-M (Russian: Цикада-М meaning Cicada-M), GRAU index 11F627, was a Russian, previously Soviet satellite constellation used for communication and navigation. As of 2010, 99 Parus satellites had been launched, starting with Kosmos 700 in 1974.