Physics dictate that a tactical fighter-sized stealth aircraft must be optimized to defeat higher-frequency bands such the C, X and Ku bands, which are used by fire control radars to produce a high-resolution track. Industry, Air Force and Navy officials all agree that there is a “step change” in an LO aircraft’s signature once the frequency wavelength exceeds a certain threshold and causes a resonant effect—which generally occurs at the top part of...
It's a slimmed-down, mobile-only version of Nintendo's popular console
Live coverage and analysis of the Women’s World Cup final. The United States is chasing its record fourth title. The Netherlands is trying to win its first.