Map Reading/Land Nav

Question 1

What is the definition of a map?

Answer 1

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

Question 2

Where will you find the legend of a map?

Answer 2

Lower left margin.

Question 3

How many different colors are found on a military map?

Answer 3

1. Black–Man made objects, surveyed spot elevations, and labels.
2. Red/Brown–Cultural features, relief features, non-surveyed spot elevations, and elevation such as contour lines on a red-light readable map.
3. Blue–Hydrography.
4. Green–Vegetation with military significance (woods, swamps, etc.)
5. Brown–Relief features, elevation, and cultivated land on red-light readable maps.
6. Red–Cultural features such as populated areas, main roads, and boundaries.

Question 4

How are distances always measured?

Answer 4

Distance is measured in a straight line. Grids are read right and up.

Question 5

How close will a six digit grid be to a location?

Answer 5

Within 100 meters.

Question 6

How close will an eight digit grid be to a location?

Answer 6

Within 10 meters.

Question 7

How close will a four digit grid be to a location?

Answer 7

Within 1,000 meters.

Question 8

How many norths are on a military map?

Answer 8

Three–True north grid north, and magnetic north.

Question 9

What is an azimuth?

Answer 9

An azimuth is defined as a horizontal angle measured clockwise from a north base line; the azimuth is the most common military method to express direction.

Question 10

What are two techniques for using the lensatic compass?

Answer 10

1. The center hold technique.

2. The compass-to-cheeck technique.

Question 11

What are the five major terrain features?

Answer 11

1. Hill.
2. Valley.
3. Ridge.
4. Saddle.
5. Depression.

Question 12

What are the three minor terrain features?

Answer 12

1. Cliff.
2. Draw.
3. Spur.

Question 13

What are the two supplementary terrain features?

Answer 13

1. Cut.

2. Fill.

Question 14

What is the first step to navigation?

Answer 14

Orienting the map.