9 Electronic components for the generation, amplification, transmission direction, measurement, control and reception of signals; microwave and power grid vacuum electron devices (VEDs), Magnetrons, crossed-field amplifiers, millimeter-wave tubes; microwave tubes; voltage controlled oscillators, high power solid-state switches, phase shifters, pulse modulators; control components, namely, high-power switches, phase shifters; industrial x-ray generators; composite radomes for use as enclosures for protecting antennas, and antenna components, namely, reflectors and sub-reflectors; and Medical x-ray generators for diagnostic imaging