A U.S. Air Force F-15E Strike Eagle assigned to the 494th Expeditionary Fighter Squadron, participates a formation fly-by, that included 75 other aircraft, honoring Qatar National Day, Doha, Qatar Dec. 18, 2019. Qatar National Day is an annual holiday for Qataris to commemorate their national identity and history, and allows them to remember how their national unity was achieved. This year’s Qatar National Day celebration included a parade featuring massive fire work displays, military aircraft flyovers, and many other demonstrations of national unity. (U.S. Air Force Photo by SSgt Bethany La Ville)