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)

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, 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 gives remarks during a briefing, Wednesday, June 29, 2022, at the Space Telescope Science Institute (STScI) in Baltimore. The briefing focused on the status of NASA’s James Webb Space Telescope in its final weeks of preparing for its science mission, as well as overviews of planned science for Webb’s first year of operations. Photo Credit: (NASA/Bill Ingalls)

NASA Deputy Administrator Pam Melroy gives remarks during a briefing, Wednesday, June 29, 2022, at the Space Telescope Science Institute (STScI) in Baltimore. The briefing focused on the status of NASA’s James Webb Space Telescope in its final weeks of preparing for its science mission, as well as overviews of planned science for Webb’s first year of operations. Photo Credit: (NASA/Bill Ingalls)

NASA Deputy Administrator Pam Melroy gives remarks during a briefing, Wednesday, June 29, 2022, at the Space Telescope Science Institute (STScI) in Baltimore. The briefing focused on the status of NASA’s James Webb Space Telescope in its final weeks of preparing for its science mission, as well as overviews of planned science for Webb’s first year of operations. Photo Credit: (NASA/Bill Ingalls)

NASA Deputy Administrator Pam Melroy gives remarks during a briefing, Wednesday, June 29, 2022, at the Space Telescope Science Institute (STScI) in Baltimore. The briefing focused on the status of NASA’s James Webb Space Telescope in its final weeks of preparing for its science mission, as well as overviews of planned science for Webb’s first year of operations. Photo Credit: (NASA/Bill Ingalls)

NASA Deputy Administrator Pam Melroy gives remarks during a briefing, Wednesday, June 29, 2022, at the Space Telescope Science Institute (STScI) in Baltimore. The briefing focused on the status of NASA’s James Webb Space Telescope in its final weeks of preparing for its science mission, as well as overviews of planned science for Webb’s first year of operations. Photo Credit: (NASA/Bill Ingalls)