On the 239th anniversary of the United States of America's Declaration of Independence, NASA's Armstrong Flight Research Center's aircraft salute our nation's flag on Independence Day weekend 2015. NASA Armstrong photographer Tom Tschida created this composite image from an original image of Armstrong's four F/A-18 mission support aircraft during a formation pilot proficiency flight that was taken by Armstrong photographer Carla Thomas.#IndependenceDay
Photo courtesy Jeremy Ulloa Surface 2 Air images
Courtesy USAF Thunderbirds
Courtesy USN Blue Angels
Photo courtesy NASA
Photo Courtesy NASA