Thu, 09/21/2023 - 01:53 Tech Insider A US Air Force F-35A Lightning II performs on the first day of NATO Days in Ostrava and Czech Air Force Days in Mosnov, Czech Republic on September 16, 2023.Lukas Kabon/Anadolu Agency via Getty Images Tags Military & Defense, f-35-lightning-ii, us-marine-corps, Aircraft Source A family said they saw the missing F-35 fighter jet flying upside down at just …