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Previous: 5-60: Pace Man

5-61. GPSs receive signals from satellites or land-based transmitters. They calculate and display the position of the user in military grid coordinates as well as in degrees of latitude and longitude. During planning, leaders enter their waypoints into the GPS. Once entered, the GPS can display information such as distance and direction from waypoint to waypoint. During execution, leaders use the GPS to establish their exact location.

Note. Leaders need to remember GPS and digital displays are not the only navigational tools they can use. The best use of GPS or digital displays is for confirming the unit’s location during movement. Terrain association and map-reading skills still are necessary, especially for point navigation. Over reliance of GPS and digital displays can cause leaders to ignore the effects of terrain, travel faster than conditions allow, miss opportunities, or fail to modify routes when necessary.

Next: 5-62: Designate Rally Points

Go Back To: U.S. Army FM 3-21.8: The Infantry Rifle Platoon and Squad