Pentagon’s X-37B Space Plane Set For Sunday Launch; Mission Details Remain Undisclosed Post author By Robert Post date December 10, 2023 The specific details of X-37B missions continue to be classified, including a NASA project onboard. read more ← U.S. Space Force prepares to launch mysterious X-37B space plane – Inceptive Mind → Mary Cleave, shuttle astronaut who tracked climate change, dies at 76 – The Boston Globe