Lockheed Martin SR-72 Vs Tupolev PAK DA: The Future Of Stealth & Speed

Pitting Lockheed Martin’s SR-72 and the Tupolev PAK DA against each other seems futile. Other than being next-generation stealth aircraft, these two have little in common. One is a hypersonic reconnaissance aircraft, while the other is meant to be a subsonic bomber. But it’s the difference in philosophies that brings about the comparison.