Companies like Alef Aeronautics are taking orders for vehicles that drive on roads and fly through the air. But the technology comes with eye-watering costs.
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Top 11: Best fighter aircraft flying today
The most advanced F-15 variant in full operational service is likely the F-15QA. The next variant for USAF, the F-15EX Eagle ...
Sen. Marty Flynn is shooting his shot a second time after the same bill failed to pass during last year’s Pennsylvania ...
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