There is link in the Reddit discussion [1], unfortunately the original Estonian article is not available - it's probably about the Baltic Air Policing. Also Goo

There is link in the Reddit discussion [1], unfortunately the original Estonian article is not available - it's probably about the Baltic Air Policing. Also Google search returns some results. [1] - https://old.reddit.com/r/europe/comments/51feuy/it_turns_out_that_there_is_a_simple_reason_why/ https://old.reddit.com/r/europe/comments/51feuy/it_turns_out...