1. A system for simulating own ship submarine sensor signals comprising: a plurality of single board computers connected by an internal computer network; means, connected to said plurality of single board computers, for receiving simulated data for the ship control panel, electrostatically suspended gyro navigator, gyrocompass, periscopes, ballast control panel, depth indicators, ship radar, ship speed, bow plane angle, stern plane angle, and rudder angle from an external trainer unit; means, connected to said plurality of single board computers, for generating outgoing sensor data; and a plurality of Standard NATO Agreement (STANAG) data interface cards, connected to said means for generating, and transmitting data to said external trainer unit.