Terrain Contour Matching...
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TECHNOLOGY
Navigation Systems
Terrain Contour Matching (TERCOM)
Missiles use terrain like a fingerprint to navigate unseen beneath radar
8 Feb 2026
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How does TERCOM improve missile navigation compared to inertial navigation systems?
By comparing radar altimeter data with stored terrain maps to correct the missile's course.
By relying solely on GPS signals for precise location updates.
By flying at higher altitudes to avoid obstacles and radar detection.
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