Brent Cobleigh, program manager for the Sustainable Flight Demonstrator at NASA's Armstrong Flight Research Center, center, answers a question from a member of the media during a news conference along with NASA Deputy Administrator Pam Melroy, left, and Todd Citron, chief technology officer, The Boeing Company, right, on NASA’s Sustainable Flight Demonstrator project, Wednesday, Jan. 18, 2023, at the Mary W. Jackson NASA Headquarters building in Washington, DC. Through a Funded Space Act Agreement, The Boeing company and its industry team will collaborate with NASA to develop and flight-test a full-scale Transonic Truss-Braced Wing demonstrator aircraft. Photo Credit: (NASA/Joel Kowsky)

Jackie McGuinness, NASA’s Press Secretary, left, NASA Administrator Bill Nelson, Bob Pearce, associate administrator for NASA's Aeronautics Research Mission Directorate, NASA Deputy Administrator Pam Melroy, Brent Cobleigh, program manager for the Sustainable Flight Demonstrator at NASA's Armstrong Flight Research Center, and Todd Citron, chief technology officer, The Boeing Company, are seen as they take questions from members of the media during a news conference on NASA’s Sustainable Flight Demonstrator project, Wednesday, Jan. 18, 2023, at the Mary W. Jackson NASA Headquarters building in Washington, DC. Through a Funded Space Act Agreement, The Boeing company and its industry team will collaborate with NASA to develop and flight-test a full-scale Transonic Truss-Braced Wing demonstrator aircraft. Photo Credit: (NASA/Joel Kowsky)

Todd Citron, chief technology officer, The Boeing Company, left, delivers remarks during a news conference on NASA’s Sustainable Flight Demonstrator project as NASA Administrator Bill Nelson, second from left, Bob Pearce, associate administrator for NASA's Aeronautics Research Mission Directorate, NASA Deputy Administrator Pam Melroy, and Brent Cobleigh, program manager for the Sustainable Flight Demonstrator at NASA's Armstrong Flight Research Center, look on, Wednesday, Jan. 18, 2023, at the Mary W. Jackson NASA Headquarters building in Washington, DC. Through a Funded Space Act Agreement, The Boeing company and its industry team will collaborate with NASA to develop and flight-test a full-scale Transonic Truss-Braced Wing demonstrator aircraft. Photo Credit: (NASA/Joel Kowsky)

NASA Deputy Administrator Pam Melroy, center, is seen with Bob Pearce, associate administrator for NASA's Aeronautics Research Mission Directorate, NASA Administrator Bill Nelson, Todd Citron, chief technology officer, The Boeing Company, and Brent Cobleigh, program manager for the Sustainable Flight Demonstrator at NASA's Armstrong Flight Research Center, following a news conference on NASA’s Sustainable Flight Demonstrator project, Wednesday, Jan. 18, 2023, at the Mary W. Jackson NASA Headquarters building in Washington, DC. Through a Funded Space Act Agreement, The Boeing company and its industry team will collaborate with NASA to develop and flight-test a full-scale Transonic Truss-Braced Wing demonstrator aircraft. Photo Credit: (NASA/Joel Kowsky)

Todd Citron, chief technology officer, The Boeing Company, left, delivers remarks during a news conference on NASA’s Sustainable Flight Demonstrator project as NASA Administrator Bill Nelson, second from left, Bob Pearce, associate administrator for NASA's Aeronautics Research Mission Directorate, NASA Deputy Administrator Pam Melroy, and Brent Cobleigh, program manager for the Sustainable Flight Demonstrator at NASA's Armstrong Flight Research Center, look on, Wednesday, Jan. 18, 2023, at the Mary W. Jackson NASA Headquarters building in Washington, DC. Through a Funded Space Act Agreement, The Boeing company and its industry team will collaborate with NASA to develop and flight-test a full-scale Transonic Truss-Braced Wing demonstrator aircraft. Photo Credit: (NASA/Joel Kowsky)

Todd Citron, chief technology officer, The Boeing Company, answers a question from a member of the media during a news conference on NASA’s Sustainable Flight Demonstrator project, Wednesday, Jan. 18, 2023, at the Mary W. Jackson NASA Headquarters building in Washington, DC. Through a Funded Space Act Agreement, The Boeing company and its industry team will collaborate with NASA to develop and flight-test a full-scale Transonic Truss-Braced Wing demonstrator aircraft. Photo Credit: (NASA/Joel Kowsky)