Land navigation Flashcards
What document covers map reading and land navigation?
TC 3–25.26
What’s a map
A graphic representation of the earths surface drawn to scale as seen from above
Name several types of maps
Topographic, planimetric, and photo map
What is a declination diagram
It shows the angular relationships of true north, grid north, and magnetic north
What are the usual three units of measure in a bar scale
meters,statute miles, and nautical miles
What does black represent on the map
Indicates man-made features like buildings and roads
What does brown identify on the map
Identifies all relief features and elevation
What does red represent on a map
It’s used for cultural features such as populated areas, main roads
How many colors does a map usually have
5
What type of map system does the US military use
The universal transverse Mercator grid
What colors are used in a map overlay and what do they mean
Black = boundaries Blue = friendly forces Red = enemy forces Yellow = contaminated Green = engineer obstacles
