Google Sergey Brin funded LTA (Lighter then Air Ships) and they completed a 400 foot (124 meter) long Pathfinder 1. Pathfinder 1 is a subscale prototype of the airship LTA Pathfinder 3, currently under development at another WWII-era hangar in Akron, Ohio. LTA will eventually submit for certification by the FAA. The Pathfinder 3 will ...

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Link :
https://www.nextbigfuture.com/2025/08/giant-airships-are-slowly-returning.html