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Letter Go!


Last year I had the opportunity to encounter a set of five things. I learned that the names of these things are A, B, C, D, and E. In fact, these names were made verbally clear to me: “A as in Alpha, B as in Bravo, C as in Charlie, D as in David, and E as in Echo.” What are these things?

I read about these things in a Wikipedia article this week, which reminded me of my encounter from last year. Some of you might be familiar with these things. Others might need some more information than is offered in the previous paragraph. Feel free to ask yes-no questions, a la lateral thinking puzzles, in the comments.


16 thoughts on “Letter Go!

  1. Do the five things form a complete set?
    Is this set mostly familiar to people who share a particular interest of some sort? To people in a certain geographic area?

    • The things in this set of five are not the only ones of their kind — similar ones outside the set also exist. Circumstances establish that that these five things (and no others) form a complete set together.

  2. Jangler got the answer, so I’ll restate it in non-ROT-13 format:

    The things are the terminal concourses at Hartsfield-Jackson Airport. The public address in the airport tram service announces the names of the concourses at each station using NATO alphabet code (Alpha, Bravo, Charlie…) as a confirmation. But for Concourse D the address uses “D as in David” presumably to avoid confusion with Delta Airlines, the major carrier in Atlanta. Good work, everyone!

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