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When I look up at the clear blue sky these days I am missing something. For about a year now during this wretched pandemic I have hardly seen any contrails of national and international flights. For the first time in modern flight history there are hardly any aircraft in the skies. Worldwide air travel has decreased by an average of 80 percent, with Europe last December falling to as much as 98 percent less air travel than the previous year as countries closed their borders. I think we all miss air travel and the ability to move about freely. The absence of high flying aircraft is obvious to me as I have had a great interest in flight for years.