electronics for detecting and identifying aircraft and vehicles; signal processors, electro-optic and electronic countermeasures; aircraft components; namely, aircraft navigation electronics; engine controllers; electrical power converters and controllers; hybrid microcircuits; ice detectors; optical communicators; radar warning electronics; utility managers; namely, systems which continuously monitor equipment and controls and compare the results to predetermined management parameters; stabilized sights for helicopters; telecommunicators; namely, telephones, digital exchanges, facsimile receivers and transmitters, terminals, intercom and recorders; acoustic flowmeters, platform transmitter terminals, sub-bottom profiler, pingers, transponders, acoustic underwater tracking and positioning sensors; automatic manufacturing systems which continuously monitor equipment and controls and compare the results to predetermined manufacturing plans, electron beam welders, fusion arc welders; laser welders and cutters; resistance welders, welding controls; fuel dispensers; satellite communicators, training simulators, energy management controllers; namely, systems which continuously monitor the energy consumption of a plant or equipment and control the monitored consumption to accord to predetermined energy-consumption plans or forecasts; submarine performance and analyzers, submarine platform controllers, precision hydraulics for the control and guidance of subsea vessels; and commercial instruments; namely, disturbance recorders, fault recorders and viscometers