Douglas Space Systems (in Houston). See also Automotive navigation system Autopilot Guide rail List of missiles Robotic navigation Precision-guided munition Guided bomb Missile Missile guidance Terminal guidance Proximity sensor Artillery fuze Magnetic proximity fuze Proximity fuze References Further reading An Introduction to the Mathematics and Methods of Astrodynamics, Revised Edition (AIAA Education Series) Richard Battin, May 1991 Space Guidance Evolution-A Personal Narrative, Richard Battin, AIAA 82–4075, April 1982 Military technology Uncrewed vehicles Applications of control engineering NASA spin-off technologies de:Navigationssystem stq:Autonavigation