Unmanned Spaceflight Viking

Viking 2 launched

MarsNASA launches the Viking 2 lander and orbiter, designed and operated by Jet Propulsion Laboratory, aboard a Titan IIIE rocket bound for Mars. The combined Viking 2 spacecraft will take nearly a year to reach Mars, achieving orbit in August 1976 and surveying the surface for suitable landing sites before the northern plain named Utopia Planitia is selected for a September 1976 landing attempt.