42 telecommunications and fiber optic consulting, engineering and design services; custom design of information systems; modeling, simulation, and visualization development for others; test and evaluation of weapons, impact effects, armor and anti-armor performance, space debris, and satellites; destructive and non-destructive materials testing; military, scientific and high technology research, studies and analysis for others; prototype development for others; multimedia consulting, development, and design services; custom design of interactive video based training materials for others