Wired seems to think so: Grounded NASA Space Plane Poised for Comeback?
There were probably more reasons for the cancellation than were publicly admitted to than just the engine difficulties. But if that’s all there was, it’s interesting to note (as others have) that SpaceX’s original Merlin-1 engine is in the same thrust class as […]
This sounds a lot more intriguing than it probably is: US military’s top secret X-37B shuttle ‘disappears’ for two weeks, changes orbit
Since then, the X-37B been arguably the least-secret secret project on the planet, as fellow backyard astronomers joined in the scrutiny, aided by how-to video guides and apps such as the Simple Satellite […]