TC 3-25.26 Land Navigation Flashcards
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, cultivated land
Red-brown–contour lines, cultural and relief features.
What are contour lines?
They show relief and elevation.
List the 3 types of contour lines.
Index, Intermediate, Supplementary.
List the 3 Norths on a military map.
True North
Magnetic North
Grid North
Where is the map legend found?
Lower left margin
What must be done to a map before it can be used?
It must be oriented.
List the 3 minor terrain features.
Draw, Spur, Cliff
List the 2 supplementary terrain features.
Cut. Fill
What is an azimuth?
A horizontal angle measured clockwise from a north base line, used to express direction.
What is the distance between grid lines on a combat map?
1Km
How many mils are in a circle?
6400 mils in 360 degrees
