Military Word of the Day: Triethylborane (How the SR-71 Blackbird Hit Mach 3)

Military Word of the Day: Triethylborane (How the SR-71 Blackbird Hit Mach 3)

Lockheed’s SR-71 Blackbird first flew more than 62 years ago, and it remains as the fastest crewed jet ever. The Blackbird outran more than 4,000 missiles during its service. Its combination of revolutionary stealth, sustained Mach 3+ speed, and advanced engineering made it virtually untouchable. While streaking across the sky at 80,000 feet, the SR-71 could photograph 100,000 square miles of terrain in an hour. SR-71 Blackbird with NASA The SR-…