Raytheon, a division of RTX, announced its new upgraded radar for hypersonic missile defense. The company said on Monday it delivered the radar to the US Missile Defense Agency. Hypersonic weapons are ...

Army Secretary Dan Driscoll is shown the newly arrived Lower Tier Air and Missile Defense Sensor, or LTAMDS, seen in the background during a rainstorm on Guam on July 27, 2025. (SFC Nicole Mejia/U.S.

Electromagnetic spectrum is a scarce national resource with significant implications for national security and economic growth. The S-band, spanning from 2–4 gigahertz (GHz), is a crucial frequency ...

A full scale model of Raytheon's Lower Tier Air and Missile Defense Sensor, a next-generation radar that will defeat advanced threats like hypersonic weapons. (Photo courtesy of Raytheon) The U.S.