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✨Board Prep ✨ > TC 3-25.26 🌏 > Flashcards

TC 3-25.26 🌏 Flashcards

1
Q

What covers Land Navigation?

A

TC 3-25.26

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2
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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3
Q

Who is responsible for securing maps for the whole unit?

A

S2

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4
Q

What are the 3 map sizes?

A
  • Small
  • Medium
  • Large
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5
Q

What are the Colors of a Military Map?

A
  • Red
  • Red-Brown
  • Blue
  • Green
  • Brown
  • Black
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6
Q

What does UTM stand for?

A

Universal Transverse Mercator Grid

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7
Q

What are the 3 types of north?

A
  • True (North Pole)
  • Magnetic (Compass)
  • Grid (Map)
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8
Q

What is the rule of thumb for reading a map?

A

Right and Up

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9
Q

How many grid zones is the world divided into?

A

60

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10
Q

How close will an eight digit grid get you?

A

Within 10 M

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11
Q

How close will a six digit grid get you?

A

Within 100 M

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12
Q

How close will a ten digit grid get you?

A

Within 1 M

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13
Q

What is an Azimuth?

A

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

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14
Q

What is a Back Azimuth?

A

A back azimuth is the opposite direction of an azimuth

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15
Q

What is the Grid-Magnetic Angle?

A

The G-M angle value is the angular size that exists between grid north and magnetic north

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16
Q

What is Intersection?

A

Intersection is the location of an unknown point by successively occupying at least two known positions on the ground and then map sighting on the unknown location

17
Q

What is a modified resection?

A

Locating ones position on a map when the person is located on a linear feature on the ground, such as a road

18
Q

What is a resection?

A

Locating ones position on a map by determining the grid azimuth to at least two well defined locations that can be pinpointed on a map

19
Q

How do you determine your pace count?

A

Counting how many paces it takes you to get to 100M

20
Q

How big is a grid square on a large map?

A

1Km by 1Km

21
Q

What is a longitude line?

A

A line on the map traveling East to West

22
Q

What is a latitude line?

A

A line on the map traveling North to South

23
Q

What are the ways to determine your location on a map?

A

Resection, Modified Resection, and Intersection

  • remember the acronym RIM*
24
Q

What are the three major parts of the Lensatic Compass?

A
  • Cover
  • Base
  • Lens
25
Q

What are the two techniques for using the Lensatic Compass?

A
  • Center hold technique
  • Compass-to-cheek technique
26
Q

What are the different types of contour lines?

A

-Index
-Intermediate
-Supplementary

27
Q

What are the Five Major Terrain Features?

A

-Hill
-Valley
-Ridge
-Saddle
-Depression
* REMEMBER hidden valley ranch salad dressing *

28
Q

What are the Three Minor Terrain Features?

A

-Draw
-Cliff
-Spur

29
Q

What are the two supplementary terrain features?

A

-Cut
-Fill

30
Q

What is Map Orientation?

A

The first step to land navigation; when the north south on the map aligns with the north south on the ground

31
Q

What are the Three Land Navigation Methods?

A
  • Dead reckoning
  • Moving by terrain association
  • Combination of techniques
32
Q

What does OCOKA stand for?

A

O- Observation and Fields of fire
C- Cover and Concealment
K- Key terrain
A- Avenues of Approach

33
Q

How many degrees are in a compass?

A

360

34
Q

How many Mils are in a compass?

A

6400

35
Q

How many Mils are in one degree?

A

17.7

36
Q

Where is the legend
located?

A

Lower Left
Covers Graphic symbols

37
Q

What is the Graphic Scale Ruler?

A

Map to ground distance

38
Q

What are the 4 ways to get distance?

A

Pace
Odometer
Substance
Submit Range

39
Q

What is Zulu time based off of?

A

Prime meridian

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