In addition to their regular cargoes , the Progress 7 spacecraft was used to transport the KRT - 10 radio telescope to Salyut 6 .
Progress 17 delivered the Iskra 3 satellite to Salyut 7 for deployment .
In addition to their regular cargoes , the Progress 7 spacecraft was used to transport the KRT - 10 radio telescope to Salyut 6 , and Progress 17 delivered the Iskra 3 satellite to Salyut 7 for deployment .