Map Reading and Land Navigation Army FM 3-25.26

Lecture de cartes et navigation terrestre FM 3-25.26 - Hors ligne

The purpose of this field manual is to provide a standardized source document for Army-wide reference on map reading and land navigation. This manual applies to every soldier in the Army regardless of service branch, MOS, or rank. This manual also contains both doctrine and training guidance on these subjects. Part One addresses map reading and Part Two, land navigation. The appendixes include a list of exportable training materials, a matrix of land navigation tasks, an introduction to orienteering, and a discussion of several devices that can assist the soldier in land navigation.

Chapter 1 TRAINING STRATEGY

Building-Block Approach

Armywide Implementation

Safety

Chapter 2 MAPS

Definition

Purpose

Procurement

Security

Care

Categories

Military Map Substitutes

Standards of Accuracy

Chapter 3 MARGINAL INFORMATION AND SYMBOLS

Marginal Information on a Military Map

Additional Notes

Topographic Map Symbols

Military Symbols

Colors Used on a Military Map

Chapter 4 GRIDS

Reference System

Geographic Coordinates

Military Grids

United States Army Military Grid Reference System

Locate a Point Using Grid Coordinates

Locate a Point Using the US Army Military Grid Reference System

Grid Reference Box

Other Grid Systems

Protection of Map Coordinates and Locations

Chapter 5 SCALE AND DISTANCE

Representative Fraction

Graphic (Bar) Scales

Other Methods

Chapter 6 DIRECTION

Methods of Expressing Direction

Base Lines

Azimuths

Grid Azimuths

Protractor

Declination Diagram

Intersection

Resection

Modified Resection

Polar Coordinates

Chapter 7 OVERLAYS

Purpose

Map Overlay

Aerial Photograph Overlay

Chapter 8 AERIAL PHOTOGRAPHS

Comparison With Maps

Types

Types of Film

Numbering and Titling Information

Scale Determination

Indexing

Orienting of Photograph

Point Designation Grid

Identification of Photograph Features

Stereovision

Chapter 9 NAVIGATION EQUIPMENT AND METHODS

Types of Compasses

Lensatic Compass

Compass Handling

Using a Compass

Field-Expedient Methods

Global Positioning System

Chapter 10 ELEVATION AND RELIEF

Definitions

Methods of Depicting Relief

Contour Intervals

Types of Slopes

Percentage of Slope

Terrain Features

Interpretation of Terrain Features

Profiles

Chapter 11 TERRAIN ASSOCIATION

Orienting the Map

Locations

Terrain Association Usage

Tactical Considerations

Movement and Route Selection

Navigation Methods

Night Navigation

Chapter 12 MOUNTED LAND NAVIGATION

Principles

Navigator's Duties

Movement

Terrain Association Navigation

Dead Reckoning Navigation

Stabilized Turret Alignment Navigation

Combination Navigation

Chapter 13 NAVIGATION IN DIFFERENT TYPES OF TERRAIN

Desert Terrain

Mountain Terrain

Jungle Terrain

Arctic Terrain

Urban Areas

Chapter 14 UNIT SUSTAINMENT

Set Up a Sustainment Program

Set Up a Train-the-Trainer Program

Set Up a Land Navigation Course