Travelers go through the TSA PreCheck security point at Miami International Airport on June 2. The number of TSA PreCheck applicants has more than doubled owing to record security wait times. Joe Raedle/Getty Images hide caption

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Joe Raedle/Getty Images

TSA PreCheck Applications Soar Amid Long Lines At Airports

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Cybersecurity researcher Ruben Santamarta says he has figured out how to hack the satellite communications equipment on passenger jets through their Wi-Fi and in-flight entertainment systems. Andrea Comas/Reuters/Landov hide caption

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Andrea Comas/Reuters/Landov