. "125" . "9"^^ . . . . "1"^^ . "Template:Wikipedia:WikiProject Timeline of spaceflight/CleanupIn 1975 several notable events happened in spaceflight such as the launch to Mars of the Viking orbiter/landers missions, the joint Apollo\u2013Soyuz Test Project, and the Venera 9 Venus mission.Viking 1 was launched on 20 August 1975 and Viking 2 was launched 9 September 1975."@en . . . . . . . . "4"^^ . . . "132"^^ . . .