I have a question, Dil. Say you have a thousand blips on a screen any given day. Say that normally, all of them have transponder signals (so a number appears next to them). Say that this morning, three didn't send signals, meaning that on the screen there are three blips that are just blips, no numbers. As I understand it, air traffic controllers are responsible for no more than a few dozen planes at any given moment. Are you sure it would have been so difficult to find them?
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