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65 Cards in this Set
- Front
- Back
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What is the Field Manual for map reading and land navigation? |
FM 3-25.26 |
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What are military symbols? |
Figures used to represent types of military organizations, installations and activities. |
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Where is the Legend of the map found? |
Lower left margin |
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What are contour lines? |
Imaginary lines on the ground connecting equal elevation, they represent high and low ground elevation. |
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What are 3 types of contour lines? |
1. Index 2. Intermediate 3. Supplementary |
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How many Mils are in one Degree? |
17.7 mils |
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How many North's are there on a military map? |
1. True north 2. Magnetic north 3. Grid north |
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What shape are the contour lines that indicate a hill? |
A hill is shown on a map by contour lines forming concentric circles. The inside of the smallest is the hilltop. |
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What shape are the contour lines that indicate a saddle? |
A saddle is normally represented as an hourglass. |
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What shape are the contour lines that indicate a valley? |
Contour lines forming a valley are either U-shaped or V-shaped. |
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What shape are the contour lines that indicate a Ridge? |
Contour lines forming a ridge tend to be U-shaped or V-shaped. The closed end of the contour line points away from high ground. |
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How many scales are there on a compass, what are they? |
There are two: 1. Degrees 2. Mils |
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What is the general rule for reading military grid coordinates? |
Right and UP |
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What are the 3 minor terrain features found on a military map? |
1. Draw 2. Spur 3. Cliff |
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What does the term intersection mean? |
Finding the location of an unknown point by sighting two or more known points. |
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If you find a symbol on a map that is unknown to you, where would you look? |
The marginal data, located on the outside lower portion of the map. |
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Why is a map so important? |
When used correctly, a map can give you accurate distances, locations and heights, best routes key terrain features and cover and concealment information. |
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What does the term resection mean? |
Resection is the method of locating one's position on a map by determining the grid azimuth to at least two well-defined locations that can be pinpointed on the map. |
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In military symbols, what colors are used for a map overlay and what do they represent? |
•Blue-Friendly forces •Red-Enemy forces •Black-boundaries •Yellow-contaminated area, both friendly and enemy •Green-engineer obstacles, both friendly and enemy |
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What does the term FLOT mean? |
Forward Line of Troops |
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What are the 2 supplementary terrain features found on a military map? |
1. Cut 2. Fill |
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What does UTM stand for? |
Universal Transverse Mercator |
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Name two ways to orient a map? |
Use a compass and terrain association. |
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Name two ways to orient a map? |
Use a compass and terrain association. |
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What are the five major terrain features? |
1. Hill 2. Valley 3. Ridge 4. Saddle 5. Depression |
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The arrow on a compass always points what direction? |
Magnetic north |
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What is the distance between grid lines on a combat map? |
1 kilometer or 1000 meters |
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What is the distance between grid lines on a combat map? |
1 kilometer or 1000 meters |
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How many mils are there in a circle? |
6400 mils or 360 degrees |
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What is vertical distance? |
The distance between the highest and lowest points measured. |
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What are the 3 main map sizes? |
Small Medium Large |
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The border line around the edge of the map is called the what? |
Neat line |
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Name the different slopes found on a map. |
1. Gentle 2. Steep 3. Concave 4. Convex |
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What are two methods of measuring an azimuth? |
Compass and a protractor |
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How close will eight-digit grid get you to your point? |
10 meters |
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How close will a six-digit grid get you to your point? |
100 meters |
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What would you use on a map to measure actual ground distance? |
The bar scale. |
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What are the 3 elements for a land navigation process known as Dead Reckoning? |
1. Known starting point 2. Known distance 3. Known azimuth |
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What are the 4 quadrants on a map? |
1. Northeast 2. Southeast 3. Northwest 4. Southwest |
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What is a small-scale map? |
Those maps with scales of 1:1,000,000 and smaller are used for general planning and for strategic studies. The standard small scale map is 1:1,000,000. This map covers a very large land area at the expense of detail. |
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What is a medium-scale map? |
Those maps with scales larger than 1:1,000,000 but smaller than 1:75,000 are used for operational planning. They contain a moderate amount of detail. The standard medium-scale map is 1:250,000. 1:100,000 are also frequently encountered. |
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What is a medium-scale map? |
Those maps with scales larger than 1:1,000,000 but smaller than 1:75,000 are used for operational planning. They contain a moderate amount of detail. The standard medium-scale map is 1:250,000. 1:100,000 are also frequently encountered. |
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What is a large-scale map? |
Those maps with scales of 1:75,000 and larger are used for tactical, administrative and logistical planning. These are the maps that you as a soldier or junior leader are most likely to encounter. The standard large-scale map is 1:50,000; however many areas have been mapped at a scale of 1:25,000. |
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What does the color BLACK represent on a map? |
•Black- indicates cultural (man-made) features such as buildings and roads, surveyed spot elevations and all labels. |
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What does the color RED represent on a map? |
Classifies cultural features such as populated areas, main roads, and boundaries on older maps. |
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What does the color GREEN represent on a map? |
Green- identifies vegetation with military significance such as woods, orchards and vineyards. |
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What does the color BLUE represent on a map? |
Blue-identifies hydrography or water features such as lakes, swamps, rivers and drainage. |
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Why does the color RED-BROWN represent on a map? |
Red-Brown-the colors red and brown are combined to identify cultural features, all relief features, non-surveyed spot elevations and elevation such as contour lines on red-light readable maps. |
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How many different sizes of map are there? |
3 |
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How many different types of maps are there? |
Eight |
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What should you do with a map that is in danger of being captured? |
Destroy it because it could contain troop movements or positions or friendly soldiers |
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Who is responsible for securing maps for the unit? |
The G2/S2 section |
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Which direction do Lines of latitude run? |
Lines of latitude run east to west but north to south distances are measured between them |
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What lines run North and South? |
Longitude lines run North and South but East to West distances are measured between them |
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How many grids is the world divided in to? |
60 grid zones |
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How many different protractors are there? |
4 Full Circle Half Circle Square Rectangle |
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What does GPS stand for? |
Global Positioning System |
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What is a map? |
A map is a graphic representation of a portion of the earths surface drawn to scale as seen from above. |
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What is an azimuth? |
A horizontal angle, measured in a clockwise manner from a north base line expressing direction, |
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What is a bench mark? |
A man-made marker showing points of elevation |
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What is a Back Azimuth? |
The opposite direction of an azimuth. |
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How do you figure out a back azimuth? |
To obtain a back azimuth from an azimuth add 180 if the azimuth is 180 degrees or less; subtract 180 degrees if the azimuth is 180 degrees or more |
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What is a declination diagram? |
Shows the angular relationship between magnetic north, grid north and true north |
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How would you hold a lensatic compass? |
Away from metal (weapons, electrical devices) level and firm |
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Which north is used when using a military map? |
Magnetic north when using a compass and grid north when using a map |
