Two emerging defense firms are positioning themselves to challenge the missile-interceptor dominance of RTX and Lockheed Martin, arguing that commercial manufacturing methods and rapid development cycles can produce a new class of smart, inexpensive weapons tailored for the Pentagon's Golden Dome initiative . Kymeta, which specializes in metamaterial antennas, and iRocket, a fast-moving launcher and missile developer, announced a partnership on Nov. 20 to embed Kymeta’s conformal multiorbit communications technology into iRocket’s interceptor designs. The companies -- based in Redmond,...