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Best Warrior Study Guide > Map Reading and Land Navigation > Flashcards

Map Reading and Land Navigation Flashcards

1
Q

What regulation covers Map Reading and Land Navigation?

A

TC 3-25.26

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2
Q

What is the definition of cartography?

A

the art and science of expressing the known physical features of the earth graphically by maps and charts

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3
Q

What is the definition of a map?

A

a graphic representation of a portion of the earth’s surface drawn to scale, as seen from above

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4
Q

What information does a map provide?

A

information on the existence, the location of, and the distance between ground features, such as populated places and routes of travel and communication; It also indicates variations in terrain, heights of natural features, and the extent of vegetation cover

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5
Q

What size maps are there?

A
  1. Small; Those maps with scales of 1:1,000,000
  2. Medium; Those maps with scales larger than 1:1,000,000 but smaller than 1:75,000
  3. Large; Those maps with scales of 1:75,000 and larger
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6
Q

What are the different types of maps?

A
  1. Planimetric Map
  2. Topographic Map
  3. Photomap
  4. Joint Operations Graphics
  5. Photomosaic
  6. Terrain Model
  7. Military City Map
  8. Special Maps
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7
Q

What is a planimetric map?

A

map that presents only the horizontal positions for the features represented

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8
Q

What is a topographic map?

A

a map that portrays terrain features in a measurable way (usually through use of contour lines), as well as the horizontal positions of the features represented

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9
Q

What is a photomap?

A

a reproduction of an aerial photograph upon which grid lines, marginal data, place names, route numbers, important elevations, boundaries, and approximate scale and direction have been added

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10
Q

What is a Joint Operations Graphic?

A

maps based on the format of standard 1:250,000 medium-scale military topographic maps, but they contain additional information needed in joint air-ground operations

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11
Q

What is a photomosaic?

A

an assembly of aerial photographs that is commonly called a mosaic in topographic usage

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12
Q

What is a Terrain Model?

A

a scale model of the terrain showing features, and in large-scale models showing industrial and cultural shapes

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13
Q

What is a Military City Map?

A

a topographic map (usually at 1:12,550 scale, sometimes up to 1:5,000), showing the details of a city

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14
Q

What are Special Maps?

A

These are maps for special purposes, such as trafficability, communications, and assault maps

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15
Q

What are the seven types of substitute maps?

A
  1. Foreign Maps
  2. Atlases
  3. Geographic Maps
  4. Tourist Road Maps
  5. City/Utility Maps
  6. Field Sketches
  7. Aerial Photographs
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16
Q

What are the colors on a military map?

A
  1. Black. Indicates cultural (man-made) features such as buildings and roads, surveyed spot elevations, and all labels.
  2. Red-Brown. The colors red and brown are combined to identify cultural features, all relief features, nonsurveyed spot elevations, and elevation, such as contour lines on red-light readable maps
  3. Blue. Identifies hydrography or water features such as lakes, swamps, rivers, and drainage
  4. Green. Identifies vegetation with military significance, such as woods, orchards, and vineyards
  5. Brown. Identifies all relief features and elevation, such as contours on older edition maps, and cultivated land on red-light readable maps
  6. Red. Classifies cultural features, such as populated areas, main roads, and boundaries, on older maps
17
Q

What are the units of measurement used for direction?

A
  1. Degree. The most common unit of measure is the degree
  2. Mil. Another unit of measure, the mil (abbreviated ), is used mainly in artillery, tank, and mortar gunnery
  3. Grad. The grad is a metric unit of measure found on some foreign maps
18
Q

What are the three different types of contour?

A
  1. Index
  2. Intermediate
  3. Supplementary
19
Q

What are the three different types of slopes?

A
  1. Gentle
  2. Steep
  3. Concave
  4. Convex
20
Q

What are the Five Major Terrain Features?

A
  1. Hill
  2. Saddle
  3. Valley
  4. Ridge
  5. Depression
21
Q

What are the three minor terrain features?

A
  1. Draw
  2. Cliff
  3. Spur
22
Q

What are the supplementary terrain features?

A
  1. Cut

2. Fill

23
Q

What does OCOKA stand for?

A
  1. Observation and Fields of Fire
  2. Cover and Concealment
  3. Obstacles
  4. Key Terrain
  5. Avenues of Approach
24
Q

What are the Navigation Methods?

A
  1. Dead Reckoning
  2. Moving by Terrain Association
  3. Combination of Techniques
25
Q

What are the four steps to land navigation?

A
  1. Know where you are
  2. Plan the route
  3. Stay on the route
  4. Recognize the objective

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