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Domestic Policy

Launch failure of Mariner 1 Venus probe

On July 22, 1962 NASA lost the Mariner 1 spacecraft when its launch vehicle was destroyed shortly after liftoff due to a guidance‑system malfunction and programming error.

Launch failure of Mariner 1 Venus probe

The failure was a high‑profile setback for the U.S. planetary program during Kennedy's drive for ambitious space goals, prompting technical reviews that helped improve subsequent Mariner missions and informed management of the national space effort.

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