9 Fluid controls for submarines, namely, automatic control valves; capacitors; thin film devices, namely, radio frequency and microwave filters, resonators and heat sinks for use in electronic components; electromechanical and solid state switch matrices, namely, matrix switches in the nature of electric switches for radio-frequency and microwave; electronic circuit components, namely, solid state switch matrices; electromechanical, coaxial and waveguide switches; integrated microwave switching assemblies comprising electronic circuit components and electromagnetic structures for selective frequency control within the electromagnetic spectrum, namely, crystal-controlled oscillator circuits, transducers and electromechanical switches, coaxial and waveguide switches, and telecommunications power signal routing switches; high frequency electronic circuit boards and microwave integrated circuits for use in microwave frequency applications; apparatus and instruments, and components for measuring, checking, testing and monitoring of positions and telecommunication-related and navigation-related data, namely, electrical components in the nature of radio frequency and microwave filters, duplexers, combiners for connecting antennas and receivers, multi-function assemblies in the nature of electromechanical switches for routing RE signals for use in the space industry, switched filter banks, and tunable filters; integrated cosite equipment (ICE) consisting of high power amplifiers, low noise amplifiers, synthesizers, namely, electromagnetic interference filters; miniature electrical transducers, namely, microphones and receivers for use in the manufacture of hearing aids, small radios and the like; computer joysticks in the nature of micro electromechanical (MEMS) joysticks for mobile applications excluding games; headsets for hearing protection, not for medical use; headsets for consumer electronics, and military, emergency responder, security and industrial applications in the nature of cellular or mobile phones, telephones, or computers and custom assemblies therefor, namely, electric sensors; crystal oscillators; electric actuators; control systems, namely, electronic, hydraulic and pneumatic controls for operating aircraft and submarines; automatic valves; hydraulic aircraft components, namely, hydraulic actuators and hydraulic control valves used for operating aircraft