Color me stunned.

Prototype Reusable Rocket Effort Felled by U.S. Budget Woes

Add it to the pile. The pile of reusable launch vehicles concepts that *could* have worked had they been fully funded but weren’t… and then the idea was discovered two years later and a whole new bag of money gets spent on studying what has already been studied. Rinse and repeat until generations of dreams and efforts are squandered.