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Land Nav Task 7 - Determine a Location on the Ground by Terrain Association

Standards: Determined the six-digit coordinate of your location with a 100-meter tolerance within seven minutes.

Conditions:
In the field during daylight, while at an
unknown location on the ground, given a
standard 1:50,000-scale military map of the
area, pencil, paper, a coordinate scale,
protractor, and a known point on the ground.

Standards:
Determined the six-digit coordinate of your
location with a 100-meter tolerance within
seven minutes.

Performance Steps

1.  
Determine the type of terrain
feature upon which you are located.
(See task number 071-329-100, Identify
Terrain Features On A Map.)

2.  
Determine what types of terrain
features surround your location.

3.  
Orient the map. (See task
number 071-329-1012, Orient A Map To
The Ground By Map Terrain
Association.)

4.  
Determine the four cardinal
directions (north, south, east, and
west). (See task number 071-329-1002,
Determine The Grid Coordinates Of A
Point On A Military Map.)

5.  
Determine your location.

a.
Relate the terrain features on
the ground to those shown on the map.

b.
After you have determined where
the terrain features on the ground and
those on the map coincide, determine
the coordinates of your location using
the coordinate scale and protractor.

Evaluation
Preparation: 

Setup:
Select a field site that has terrain
features that are shown on the map. At the
test site, provide a field table, a
1:50,000-scale military map of the area,
pencil, paper, and a coordinate scale.

Brief
Soldier: Tell the soldier he or she must
determine a six-digit coordinate of his or
her location within 7 minutes. Tell the
soldier one of the cardinal directions
(north, south, east, or west).

Performance
Measures

GO

NO
GO

1.  
Identified the type of terrain
feature upon which you were located.

2.  
Identified the terrain features
around your location.

3.  
Oriented the map.

4.  
Determined the remaining three
cardinal directions.

5.  
Identified the same terrain
features on the map.

6.  
Determined the six-digit grid
coordinate of your own location (the
point selected must be within 100
meters of your location).

Evaluation
Guidance:
 
Score the soldier GO if all
performance measures are passed. Score the
soldier NO GO if any performance measure is
failed. If the soldier scores NO GO, show
the soldier what was done wrong and how to
do it correctly.

References


 

Required


Related


 

FM
3-25.26