skunk works
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Lockheed Built A Blimp-Crawling Robot That Finds And Fixes Leaks
Satellites and autonomous drones have reduced our need for cutting-edge spy planes and stealth fighters. So Lockheed’s famed Skunk Works, creators of the SR-71 Blackbird, have now built a unique robot called the Spider that can crawl over the surface of blimps to find and fix tiny pinhole leaks.