Portal:Mars/Selected article/3
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As part of the wider Mariner program, in 1969 Mariner 6 and Mariner 7 (Mariner Mars 69A / 69B) completed the first dual mission to Mars, flying over the equator and south polar regions and analysing atmosphere and surface with remote sensors as well as recording and relaying hundreds of pictures. The mission's goals were to study the surface and atmosphere of Mars during close flybys to establish the basis for future investigations, particularly those relevant to the search for extraterrestrial life, and to demonstrate and develop technologies required for future Mars missions and other long-duration missions far from the Sun. Mariner 6 also had the objective of providing experience and data which would be useful in programming the Mariner 7 encounter 5 days later.
