Aircraft Propulsion

The Air Force’s newest rendering of the secret B-21 bomber suggests an exotic layout of cockpit windows. The image, the third released so far, offers a new oblique view of the aircraft from below its port side, suggesting a deeper keel and wider weapons bay ...
Despite solid combat performance, the F-35’s high maintenance costs and ongoing parts supply problems continue to be a drag on the fifth-generation fighter aircraft, giving critics ammunition as Congress readies to receive the Biden administration’s first budget. Lockheed Martin is delivering F-35s at a rate ...
The United States is on a crash course to field prototype hypersonic weapons within three years, with more elaborate and mature systems to follow soon after. Flight tests will ramp up quickly this year, with follow-on tests as frequently as every six weeks over the ...