American defense contractor Hermeus announced it conducted the first flight of the Quarterhorse Mk 2.1 prototype, will ...

Aerospace startup Hermeus has taken another step toward challenging the Lockheed SR-71 Blackbird’s legendary supersonic speed ...

The SR-71 is one of the U.S. Air Force's most prolific aircraft. Other than looking like a futuristic aircraft military model lovers have built for decades, it was designed and built in secret by the ...

There are an unending number of interesting facts about the SR-71 Blackbird, probably the coolest aircraft ever produced by any air force, anywhere in the world. It’s the only airframe made of 85% ...