 The network was used to carry live coverage as he visited several cities.In October 1984, NASA TV coverage of mission STS-41-G was simulcast, as Canada's first astronaut in space, Marc Garneau, served aboard the Space Shuttle "Challenger".In 1986, it was used to air CBC's "" and "The Journal" at 10 p.m. Eastern when it was pre-empted on the main CBC network by the NHL hockey playoffs.