National Interest on MSN

The SR-71 Blackbird's Fuel Was So Special That the Air Force Built a New Tanker for It

The SR-71 Blackbird was one of the most remarkable machines ever built. Designed during the Cold War for long-range ...
Jalopnik

Why The Air Force Had To Invent A New Kind Of Fuel For The SR-71 Blackbird

The Lockheed SR-71 Blackbird is unlike virtually any plane that came before it, and virtually no planes like it have been made since. Even though the remarkable machine's development began in the ...