Aircraft from the F-16 Viper Demonstration team assigned to Shaw Air Force Base, S. C., land at Joint Base Langley-Eustis, Va., Jan. 31, 2017. Three F-16 Vipers flew to JBLE, allowing one of the pilots to complete their Commander of the Air Combat Command certification, by demonstrating his qualifying performance. (U.S. Air force photo by Senior Airman Kimberly Nagle)