MCRP 3-11.2, Marine Rifle Squad (DRAFT)
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Appendix A
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Military Symbols
1. General. Military symbols are used to identify and distinguish particular military units,
activities, or installations. Listed here are some of the military symbols commonly used by the
squad leader. Refer to MCRP 5-2A, Operational Terms and Graphics.
2. Colors. Colors are used to assist anyone reading a map or overlay. Rules for their use are as
follows:
a. Blue or black is used for friendly forces.
b. Red is used for enemy. If red is not available, blue or black in double lines can be used.
c. Green is used to show mine fields, demolitions, roadblocks, and other engineered obstacle
activities of both friendly and enemy forces. It will not be used for any other military activity. If
not available, black is substituted.
3. Type of Unit Symbol
Infantry Unit
Infantry Headquarters
Infantry Observation Post
A-1
MCRP 3-11.2, Marine Rifle Squad (DRAFT)
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Armor
Artillery
Engineer
Mechanized Infantry
4. Sizes of units are indicated by the following symbols:
Fire Team
Squad
Section
Platoon
Company or Battery
Battalion or Squadron
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MCRP 3-11.2, Marine Rifle Squad (DRAFT)
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5. Combining Basic Symbols
a. The arrangements of type unit symbols, size symbols, letters, and numbers to show specific
troop units and observation posts are shown by the following diagram.
Size of Unit
Unit..........................Type.....................................Higher Echelons of
Designation
Unit
Command Unit/Unit
b. Examples:
1st Plat, Co A, 3d Marines
Observation Post, 1st Fire Team, 2d Sqd, 1st Plat, Co A, 3d Marines
6. Positions of small infantry units are shown in this manner.
Fire Team (1st Fire Team, 2d Squad)
Squad (2d Squad, 3d Platoon)
Platoon (3d Platoon, Company A)
Squad size position proposed for occupation (supplementary position)
7. Weapons Symbols. Following are some examples of weapons symbols:
Rocket Launcher (SMAW)
Automatic rifle, showing sector of fire and principal direction of fire.
2d machine gun section on the FEBA. Heavy line shows limit of grazing fire on the final
protective line. The break in the heavy line indicates deadspace.
AT-4
Claymore Mine
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MCRP 3-11.2, Marine Rifle Squad (DRAFT)
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8. Obstacle Symbols. Following are some examples of obstacle symbols:
Antitank Mine
Antipersonnel Mine
Antipersonnel Mine With Tripwire
Concertina, Single
Roadblock (completed)
9. Miscellaneous Symbols. Following are some miscellaneous symbols:
Check Point
Listening Post
Contact Point
Sentinel Post
Rally Point
Trenches
Coordinating Point
81mm and 60mm mortar final protective fire (FPF) side by side. Each mortar FPF is 50 meters x
50 meters.
Radar Site
Ambush
Support by Fire.
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MCRP 3-11.2, Marine Rifle Squad (DRAFT)
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10. Enemy Positions. Enemy positions are shown by blue or black double lines if red is not
available. Examples are as follows:
Enemy Trenches
Enemy Squad-Sized Position
Enemy Infantry Observation Post
Enemy Unit
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