The rocket in question was driven by a powerful Russian engine unlike any ever built in the States. Although this particular engine was new, the design dated back to the space age. By the early ...

As it turns out, the US had every reason to be worried. The closed-cycle rocket engine design. Image via Wikipedia The Russian space program was largely controlled by one man, Sergey Pavlovich ...

VDR2 offers a single engine solution from Mach 0 to Mach 6. This marks the first successful Rocket-Based Combined Cycle test. The engine architecture was unveiled in October at UP.Summit and combines ...