Targeting systems for military vehicles and weapon systems comprised of passive and/or active radio-frequency (RF) sensors and computer processing; radar systems comprised of transmitters, receivers, antennas, radomes and computer processing; guidance, navigation and control systems comprised of inertial sensors, linear and/or differential accelerometers, GPS receivers, external alignment devices, and computer processing; weapon locating systems comprised of active and/or passive radars operable in conjunction with optional infrared and/or optical systems and computer processing; active and passive countermeasure equipment for aircraft and vehicles namely anti-radiation guided munitions; mobile military computer systems comprised of man-portable special test equipment and missile field service equipment; missile avionics and guidance systems comprised of radar, inertial sensors, computers and processing; military intelligence data gathering and processing systems comprised of passive RF sensor arrays, computers and computer processing; integrated circuit systems comprised of electronics mounted on cards with custom interfaces