42 Research and development of advanced learning technologies and teaching methods; Research, development, design and upgrading of computer software; Consulting services for others in the field of design, planning, and implementation project management of electronic weapons systems, transportation and storage systems, augmented reality systems, network management, computer systems maintenance, and computer systems management; Scientific and technological services, namely, research and design in the field of electronic weapons systems, transportation and storage systems, augmented reality systems, network management, computer systems maintenance, and computer systems management