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.
Source: Gizmodo – Lockheed Built a Blimp-Crawling Robot That Finds and Fixes Leaks