How many countries did Dwight D. Eisenhower visit during his 1959 goodwill trip aboard Queenie?

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Mount Rushmore and Air Force One — Air Force One Air Force One, a Boeing 747 reserved for use by the president of the United States, flying over Mount Rushmore, South Dakota.

During his goodwill trip in December 1959, President Dwight D. Eisenhower visited 11 countries across Europe, Asia, and North Africa aboard the Boeing 707 Stratoliner nicknamed "Queenie," which served as Air Force One.1