Chief of Staff of the Republic of Korea Air Force, Gen. Lee Wang-keun, took to the air in a FA-50 on Dec. 31 to mark the start of preparations for the 70th anniversary of the service in 2019.
Two FA-50s, one F-15K, one F-16, one F-5F and a F-4E trailed behind his aircraft.
All seven aircraft flew over parts of South Korea, including the capital Seoul