Air Force The five most expensive things ever created by humans are all American vehicles 9th Jun 2025 Why former US presidents aren't allowed to drive 21st May 2025 The first flight around the world took 175 days and 35 separate replacement engines 7th Jan 2025 Extremely rare ultraexclusive look inside the cockpit of the F-22 Raptor 10th May 2024 Exclusive peek at Lockheed Martin’s $400K F-35 helmets customized for pilots 9th May 2024 Daksh Chaudhary Worth every penny!