来自MSN1 天
The SR-71 Blackbird Is Remembered for More Than Speed and Stealth
The fastest aircraft to ever roam the skies may surprise you. While newer fighter jets like the U.S.-made F-22 Raptor or F-35 ...
Business Insider7 年
Here's what we know about Lockheed Martin's mysterious SR-72
In 2013, Lockheed Martin announced development of the successor to the SR-71 Blackbird spy plane. The SR-71 was capable of reaching speeds over three times the speed of sound, and the SR-72 is ...