[ mobile voice and data communication equipment, namely, telephones and wireless data link transmitters and receivers; radios; modems; voice and data encryption and decryption equipment, namely, portable and embedded scramblers and descramblers; ] mechanical, micromechanical, optical and opto-electronic inertial sensors, namely, gyroscopes and accelerometers; pressure sensors; navigation equipment, namely, attitude and heading reference systems comprising inertial measurement units, vertical reference units, inertial reference systems, inertial navigation systems all with inertial sensors, data processors and data distributors; compass systems comprising gyro compasses; gyroscopic artificial horizons; nautical instruments, namely, gyroscopes; data recording equipment, namely, recorders using magnetic discs, optical discs, tape drives and memory chips; computing display units in the nature of operator terminals, data displays and indicators, control and display units in the nature of electroluminescent and thin film transistor displays for text, alphanumeric and graphic presentation; GPS receivers and GPS navigation equipment, namely, navigation systems comprising integrated, embedded or associated GPS receivers; attitude and heading reference systems comprised of gyroscopes, accelerometers, level sensors, electronic computing devices and operating software; North-seeking and axis stabilizing equipment, namely, gyro compass systems indicating vehicle reference; electronic ejection seat controls; and computer software programs for data processing, operation, maintenance and testing of the aforementioned goods; mobile computers, data processing equipment, namely, data processors and data processing interface boards, main onboard computers for aircraft and land vehicles; display units in the nature of electroluminescent or thin film transistor displays for text, alphanumeric or graphic presentation, and data terminals for land vehicles, aircraft, ships and production line control; map display units, namely, optical displays using paper maps and electronic displays using digital map data for operational command and control and communication and reconnaissance for land vehicles, aircraft and ships; and command and control systems comprised of inertial navigation sensors, data processors, computers, display units in the nature of electroluminescent and thin film transistor displays for text, alphanumeric and graphic presentation; and operating, control and application software programs for use in the operation of the aforementioned goods