Army Competition Board Essentials TC 3-25.26
This flashcard covers TC 3-25.26, which defines a map as a scaled, graphic depiction of a section of the Earth’s surface viewed from above. It’s a key tool for navigation, planning, and operational awareness.
What is a Map?
A graphic representation of a portion of the Earth’s surface drawn to scale, as seen from above.
Key Terms
What is a Map?
A graphic representation of a portion of the Earth’s surface drawn to scale, as seen from above.
Which publication covers Land Navigation?
TC 3-25.26
What is the purpose of a map?
To provide accurate information about the existence, location, and distance between ground features.
What are the major terrain features?
Hill, valley, ridge, saddle, depression.
What are the colors on a military map, and what do they represent?
Black–man-made features, buildings and roads.
Blue–water features
Green–Vegetation
Red–roads, cultural features
Brown–relief features, ...
What are contour lines?
They show relief and elevation.
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| Term | Definition |
|---|---|
What is a Map? | A graphic representation of a portion of the Earth’s surface drawn to scale, as seen from above. |
Which publication covers Land Navigation? | TC 3-25.26 |
What is the purpose of a map? | To provide accurate information about the existence, location, and distance between ground features. |
What are the major terrain features? | Hill, valley, ridge, saddle, depression. |
What are the colors on a military map, and what do they represent? | Black–man-made features, buildings and roads. |
What are contour lines? | They show relief and elevation. |
List the 3 Norths on a military map. | True North |
List the 3 minor terrain features. | Draw, Spur, Cliff |
What is the distance between grid lines on a combat map? | 1Km |
Name two ways to hold a compass. | Compass-to-cheek method. Center-hold method |
What is a declination diagram? | Angular relationship between magnetic, grid, and true north. |
How do you figure out a back-azimuth? | Add or subtract 180 degrees |
How close will an eight digit grid get you to your point? 6 digit? 4 digit? | 10m |
Where does a map generally get its name? | Largest settlement or natural feature in the area |