Michael Rechtin’s vehicle transitions from driving to flying via a four-bar linkage system. A retracting linear actuator ...

“The situation is very critical,” said East, the callsign of a commander of a drone unit with Ukraine’s 15th National Guard ...

At the end of September, Musk predicted battles between "drone swarms" in the future. Additionally, earlier, he criticized fifth-generation F-35 fighter jets saying they are cost-prohibitive and ...