 The station was in orbit for eight years and ten months, during which time it was crewed by ten spacecraft bringing six long-duration crews ("expeditions") and 4 short-term crews (including French and Indian cosmonauts in the Interkosmos programme).On 12 February 1985, during an uncrewed period, contact with Salyut 7 was lost.The station had become crippled by electrical problems, with all systems shut down and the station beginning to drift.