DARPA Seeks To Wean Smart Weapons Off GPS With Hybrid Inertial Navigation System-On-A-Chip -- Military & AerospaceARLINGTON, Va., 18 April 2012. Navigation and guidance experts at the U.S. Defense Advanced Research Projects Agency (DARPA) in Arlington, Va., are trying to reduce the military's reliance on Global Positioning System (GPS) satellite guidance for advanced munitions, mid- and long-range missiles, and other weapons by creating a navigation-system-on-a-chip that combines traditional and atomic inertial guidance technology.
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More News On DARPA Research To Fins An Alternative To GPS For Smart Weapons
DARPA wants navigation chip to guide smart weapons -- Defense Systems
C-SCAN For GPS-Denied Areas -- Shadow Spear
DARPA exploring miniature, atomic sensor systems as alternative to GPS -- Network World
New sensor sought to enable military missions in GPS-denied areas -- Physorg
Wanted: Atomic inertial navigation system -- UPI
My Comment: I guess advances in jamming GPS signals are raising concerns in some quarters.
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