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Our December newsletter is here! See NASA’s X-59 supersonic research aircraft complete its first flight. Discover what’s next as the X-59 is prepared for research flights from NASA Armstrong. Also, learn how the X-43A successfully demonstrated a groundbreaking engine technology during flight on Nov. 16, 2004.

Read the December 2025 Newsletter about X-Press
The X-59 quiet supersonic research aircraft flies above California. The plane has a distinctive shape with a long, sharply pointed nose. The nose is silver, while the rest of the body looks white. The words "NASA" and "X-59" are on the body of the aircraft. In the background, we can see brown earth below the plane as well as hazy mountains in the distance.

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