Parallel Flight Technologies earns FAA 44807 exemption, clearing its NDAA-compliant Firefly heavy-lift UAS for U.S. commercial operations.
NASCAR Cup Series champions Jeff Gordon, Kurt Busch, and Bobby Labonte took part in a day-long IROC Goodyear Tire Test on Monday at Ten Tenths Motor Club.
How NACA used the P-51 Mustang to advance laminar flow, transonic research, and drag reduction, shaping both WWII air combat ...