Airmen assigned to the United States Air Force Air Demonstration Squadron "Thunderbirds" conduct the first official launch of the Thunderbird Diamond formation on Jan. 09, 2019, at Nellis Air Force Base, NV. This training flight represents a key milestone for the 2019 Thunderbird team as they prepare to showcase the pride, precision and professionalism of the U.S. Air Force during the upcoming show season. (U.S. Air Force Photo/SrA Cory W. Bush)
