The U.S. military's X-37B space plane is heading back into space in mid-May, and while the Air Force doesn't often say much about the mysterious aircraft, the service's top civilian outlined what it will be doing this time around
NASA is relying on the skills and experience of an active-duty Air Force colonel and a retired Marine colonel to put the U.S. back in the business of manned space launches after a nine-year hiatus
"We never thought that it could be a lifeboat," Adan said. "I worked on that baby day and night. And it paid off. It saved those guys."