The Air Force's U-2 spy plane first took flight in August 1955. One of the planes confused air traffic control computers in California last week, creating havoc. USAF/Getty Images hide caption

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USAF/Getty Images

The charred tail section of Delta Flight 191 sits near a runway at Dallas-Fort Worth International Airport in August 1985 after it crashed on approach. Delta quickly retired the "191" designation. Carlos Osorio/AP hide caption

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Carlos Osorio/AP

Passengers wait in line at Hartsfield-Jackson International Airport on Thursday. A major snowstorm has delayed flights from Atlanta to New York. David Tulis/AP hide caption

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David Tulis/AP

Grounded And Confounded, Airlines Wait For Storms To Pass

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A passenger checks his cellphone while boarding a flight in Boston. The Federal Communications Commission is proposing new rules to allow using cellphones for data and voice calls during airline flights. Matt Slocum/AP hide caption

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Matt Slocum/AP

The new head of the Federal Communications Commission says his agency is reviewing restrictions on in-flight cellphone use. Here, a passenger looks at her cellphone before a flight last month. Matt Slocum/AP hide caption

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Matt Slocum/AP

The new head of the Federal Communications Commission proposes allowing airline passengers to make phone calls during flights. Here, a passenger looks at her cellphone before a flight last month. Matt Slocum/AP hide caption

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Matt Slocum/AP