Land Navigation (Fm 3-25.26)

Front 1

How is a lensatic compass held

Back 1

Centerhold and compass-to-cheek

Front 2

What is a map

Back 2

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

Front 3

What are the five basic colors of a map and what do they stand for

Back 3

Blue: water and water features; red: roads and boundaries; black: man-made objects; Green: vegetation; Brown: contour lines elevation and relief

Front 4

Which north is used when using a military map

Back 4

Grid north

Front 5

Where is the legend on a map

Back 5

Lower left margin

Front 6

What is a back azimuth

Back 6

180° in reverse of a measured azimuth

Front 7

What is the basic rule for reading grid coordinates on a military map

Back 7

Right and up

Front 8

What is an azimuth

Back 8

Direction, defined as a horizontal angle measured from North in a degrees or Mills

Front 9

What are contour lines

Back 9

Imaginary lines on the ground the connect points of equal elevation

Front 10

What two things can affect a lensatic compass

Back 10

Metal or electricity

Front 11

What are the three types of contour lines

Back 11

Index intermediate and supplementary

Front 12

Define resection

Back 12

A method used to locate 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

Front 13

What is longitude

Back 13

Imaginary lines that run north and south originating in Greenwich England measured in degrees

Front 14

Define intersection

Back 14

A method used to determine the location of an unknown point by successfully occupying at least to known points on the ground and then map sighting on the unknown location

Front 15

What is the scale of a map

Back 15

The ratio of ground distance to map distance and expressed in a fraction

Front 16

How many map scales are there and what are the names

Back 16

Three: small, medium, and large

Front 17

Name several types of maps

Back 17

Topographic map, planimetric map, photomap, and terrain model

Front 18

What is a topographic map

Back 18

A map that portrays the layout of terrain features, as well as relief, for the vertical distance of the feature (the distance from sea level)

Front 19

What is a photomap

Back 19

An aerial photograph of a portion of the earth surface on which grid lines, place names, and approximate scale and direction of been added

Front 20

What is a planimetric map

Back 20

A map that only shows the horizontal positions of features. Differs from a topographic map in that it omits relief, usually represented by contour lines

Front 21

What is marginal information

Back 21

Instructions about the maps use, size, and area

Front 22

Where can the map sheet name be found

Back 22

Two places; the center of the upper margin and either the right or left side of the lower margin

Front 23

What is a declination diagram

Back 23

Shows the angular relationships of true north, grid north, and magnetic north

Front 24

What is a bar scale

Back 24

A ruler used to convert map distance to ground distance

Front 25

How many scales are there on the compass

Back 25

Two

Front 26

What are the usual three units of measure in a bar scale

Back 26

Meters, statute miles, nautical miles

Front 27

Lines of longitude are also known as what

Back 27

Meridians

Front 28

Lines of latitude are also known as what

Back 28

Parallels

Front 29

What type of map system does the US military use

Back 29

The universal transverse mercator (UTM) grid

Front 30

What portion of the world is a UTM map designed for

Back 30

The part of the world between latitude 84° north, and latitude 80° south

Front 31

What is a map overlay used for

Back 31

Shows current information about friendly an enemy true positions, as well as any other pertinent Data a leader they need to know about a certain area. For instance-landmines, communication lines, and obstacles

Front 32

How is waterflow determined on a map

Back 32

Contour lines will form a "V" which will point upstream

Front 33

What are the two most common compasses used in the army

Back 33

Lensatic and artillery compasses

Front 34

How many MILS are on a compass

Back 34

6400

Front 35

And artillery compass is known as what type of compass

Back 35

And M-2 compass

Front 36

Name the two scales on a compass

Back 36

Mils and degrees

Front 37

How many degrees is one click on the bezel ring

Back 37

3°, for a total of 120 clicks

Front 38

Name the quadrants of a map

Back 38

Northeast, Northwest, Southeast, Southwest

Front 39

What is a "FLOT"

Back 39

Forward line of troops

Front 40

What colors are using a map overlay, and what do they mean

Back 40

Black, boundaries; blue, friendly forces; red, enemy forces; yellow, contaminated area; green, engineer obstacles

Front 41

When colors are not used what symbol is used for enemy forces

Back 41

Double lines

Front 42

What size unit is indicated by three dots

Back 42

A platoon or detachment

Front 43

Name the five major terrain features

Back 43

Hill, Valley, Ridge, saddle, and depression

Front 44

Name the two supplemental terrain features

Back 44

Cut and fill

Front 45

Name the minor terrain features on a map

Back 45

Cliff, draw, and spur

Front 46

What is a base line

Back 46

The starting point or point of reference from which a unit of measure is taken

Front 47

What is latitude

Back 47

The distance north or south from the equator

Front 48

Name the three norths on a military map

Back 48

True north, magnetic north, and grid North

Front 49

What document covers map reading and land navigation

Back 49

FM 3–25.26