Nasa X Series 23
Oct. 2, 2024
List of X-planes - Wikipedia File:X-planes group photo.jpg - Wikimedia Commons NASA Armstrong Fact Sheet: X-3 Stiletto | NASA NASA Aeronautics on Twitter: "Advantages of the X-48B Blended Wing Body, a cross between a conventional plane and a flying wing design, include high fuel efficiency, low noise and a large payload File:McDonnell Douglas X-36 planform.jpg - Wikimedia Commons NASA moves to begin historic new era of X-plane research | Nasa X Series 23
