enhanced global positioning and inertial navigation system (EGI) / enhanced GPS/INS

embedded global-positioning and inertial-navigation system (EGI) / embedded GPS/INS

inertial navigation system (INS)

Global Positioning System (GPS)

global positioning system-guided munitions (GPS-guided)

differential global-positioning system (DGPS)

differential global-positioning system surveying

inertial navigation and attack system (INAS)

Charter on the rights and obligations of States relating to global navigation satellite system (GNSS) services

Guidelines for the Introduction and Operational Use of Global Navigation Satellite System

global positioning locator

positioning and navigation (POSNAV)

strap-down inertial navigation system

gimballess inertial navigation system

stellar inertial navigation system (SINS)

Global Navigation Satellite System (GLONASS)

Global Navigation Satellite System (GNSS)

global navigation satellite system

precision inertial navigation systems (PINS)

inertial navigation

position and navigation unit / position navigation unit (PNU)

Global Disaster Alert and Coordination System (GDACS) (UN)

analytical photogrammetric positioning system (APPS)

inertial guidance system

inertial reference system

strapdown inertial reference system

GPS hardware

GPS receiver

gunner's primary sight (GPS)

Defense Advanced GPS Receiver (DAGR; `dagger`)

GPS/Plotter

GPS-guided

enhanced launcher electronics system (ELES)