Educational services, namely, training end-users in the use and operation of computer hardware, computer software and electronic devices, namely, sonar systems, data recording and processing systems; Large-scale power conversion and electric propulsion research and development services; design, development, manufacture and provision of life-cycle service/support of steam and gas turbines for a variety of large and small high-performance, complex power systems and rotating machinery; provision of integrated gas turbine or steam turbine propulsion plants with either electric or mechanical drive capabilities; electro-optical manufacturing services, namely, manufacturing modules designed by third parties for use in used in commercial laser vision equipment; manufacturing, assembly, and distribution of retinal digital imaging scanners; system integration and test services for military and commercial customers; engineering services relating to mechanical and electrical power systems and system components for shipboard and industrial use including system analysis, design, modeling, optimizing, implementation, engineering, equipment design, equipment inspection, software design and coding, and performance analysis; Electronic manufacturing services, including building cables and harnesses, and the assembly, test and system integration of electronic systems and subsystems