National Security Journal on MSN

SR-72 ‘Son of Blackbird’ Could Hit 4,000 Miles Per Hour

Lockheed Martin’s SR-72 Son of Blackbird or “Darkstar” aims to replace the SR-71 with hypersonic ISR—and possibly strike—using a turbine-based combined cycle (TBCC) that blends a turbofan for ...
Space.com

Japanese cargo ship arrives at space station to make one last delivery

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A Japanese cargo ship arrived at the International Space Station today (May 25) to make one final ...