Which of the following cold war incidents occurred during the eisenhower years? coup d'��tat in iran suez canal crisis vietnam war gulf of tonkin u-2 spy plane coup d'��tat in vietnam

The best and most correct answer among the choices provided by the question is the fifth choice "U-2 spy plane"

An international diplomatic crisis erupted in May 1960 when the Union of Soviet Socialist Republics (USSR) shot down an American U-2 spy plane in Soviet airspace and captured its pilot, Francis Gary Powers (1929-77).

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