Mars series – part three: successful U.S. Mars mission (1964 – 1975)

Part Three in the Mars series
Successful U.S. Mars Missions (1964 – 1975)

Mariner 4 – Flyby: launched November 28, 1964 (reached Mars on July 14, 1965)

The first successful unmanned space probe Mars mission was achieved by the United States when Mariner 4 passed within 6,228 miles of the surface of Mars on July 14, 1965, providing 22 close-up images.

Mariner 6 and 7 – Flyby: Mariner 6 launched February 24, 1969. Mariner 7 launched March 27, 1969 .

The robotic probes flew over the equator and southern hemisphere of the planet Mars.

Mariner 9 – Orbiter: launched May 30, 1971.

Mariner 9 entered Martian orbit November 1971.

Viking 1 and 2 – Orbiters/Landers: launched August 20 and September 9, 1975.

It was the most expensive and ambitious mission ever sent to Mars. It was highly successful and formed most of the database of information about Mars until the late 1990s and early 2000s. – Wikipedia

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~ by tellinghistory on December 23, 2007.

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