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General Field Knowledge USMC > DM Knowledge > Flashcards

DM Knowledge Flashcards

Acronyms, weapons and basic knowledge

1
Q

What is a stoppage

A

An unintentional interruption in the cycle of operation

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2
Q

What is a malfunction

A

Failure of weapon to fire satisfactory or as designed

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3
Q

Ballistics

A

The study of a projectile in motion

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4
Q

Internal Ballistics

A

The science of cartridge components, rifle components, and the reaction of the two from primer ignition to the bullet exiting the muzzle

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5
Q

External Ballistics

A

The study of a projectile’s performance characteristics during flight

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6
Q

Terminal Ballistics

A

The study of a projectile’s performance characteristics from target entrance to exit or stoppage

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7
Q

Observation

A

The acquisition of facts and recording of specific information pertaining to the perception of details regarding persons, places, objects, or events

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8
Q

SALUTE

A

Size
Activity
Location
Unit/Uniform
Time
Equipment

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9
Q

SUT report

A

Shooters
Unknowns
Threats

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10
Q

SASS

A

Semi Automatic Sniper System

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11
Q

SSDS

A

Scout Sniper Day Scope

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12
Q

SSMRNS

A

Scout Sniper Mid Range Night Scope

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13
Q

SSOT

A

Scout Sniper Observation Telescope

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14
Q

ATB

A

Appears To Be

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15
Q

KIM

A

Keep In Memory

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16
Q

RTT

A

Range To Target

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17
Q

RIY

A

Range In Yards

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18
Q

How to convert yards to meters

A

x 0.9144

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19
Q

M110 SASS (characteristics)(LDAMS)

A

Lightweight / direct gas operated / air cooled / magazine fed / shoulder fired

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20
Q

SASS full mag count

A

20 rounds

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21
Q

Maximum length of SASS

A

46.5 in

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22
Q

SASS barrel length

A

20 in

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23
Q

SASS caliber

A

7.62mm

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24
Q

SASS max effective in meters

A

800m

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25
Q

SASS max effective in yards

A

875m

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26
Q

SASS muzzle velocity (suppressed)

A

2556fps

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27
Q

SASS muzzle velocity (unsuppressed)

A

2571fps

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28
Q

SASS rate of fire

A

5 rpm

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29
Q

M71 SSOT magnification

A

12x40

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30
Q

M71 SSOT field of view

A

56-18@ 1000m

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31
Q

M71 SSOT length

A

12.4 in

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32
Q

M24 Binoculars magnification

33
Q

M8541A SSDS power

A

S&B - Variable 3x12

34
Q

M8541A SSDS reticle type

A

illuminated gen 2 mil dot reticle

35
Q

2 types of moving target engagement techniques

A
  1. Ambush
  2. Track and hold
36
Q

Cones

A

provide day vision

37
Q

Rods

A

provide night vision

38
Q

2 types of night illumination

A

Ambient
Artificial

39
Q

9 factors effecting night vision

A
  1. fatigue
  2. lack of oxygen
  3. long exposure to sunlight
  4. heavy smoking
  5. drugs
  6. headaches
  7. illness
  8. consumption of alcohol within 48 hrs
  9. improper diet
40
Q

7 factors of recognition

A
  1. shape
  2. shadow
  3. surface
  4. silhouette
  5. spacing
  6. sound
  7. movement
41
Q

Process of observation (8 Rs)

A
  1. realize
  2. recognize
  3. record
  4. recall
  5. review
  6. recite
  7. respond
  8. reassess
42
Q

Types of searches (3)

A

hasty
detailed
night

43
Q

4 classification of mirage

A

boil
light
medium
heavy

44
Q

M110 SASS Cycle of Operations

A

Firing, unlocking, extracting, ejecting, cocking, feeding, chambering, locking

45
Q

M110 Length collapsed w/o suppressor

46
Q

M110 Length w suppressor(buttstock fully extended

47
Q

M110 Length extended w/o suppressor

48
Q

M110 weight (buis & bipod adaptor)

49
Q

Sound suppressor weight

50
Q

Magazine weight fully loaded

51
Q

All attachments and fully loaded

52
Q

M110 Rifling

A

1/11 right hand twist

53
Q

M110 how many grooves

54
Q

Caliber

A

7.62 62x51mm NATO .308 caliber

55
Q

DOPE

A

Data On Previous Engagements

56
Q

SSDS magnification

57
Q

PIR

A

Priority Intelligence Requirements

58
Q

CCIR

A

Commander Critical Information Requirements

59
Q

SIR

A

Specific Intelligence Requirements

60
Q

EIR

A

Essential Intelligence Requirements

61
Q

9 elements (observation)

A
  1. line edge outline
  2. contrast or value
  3. color
  4. texture
  5. light
  6. movement
  7. rhythm & flow
  8. positive space
  9. negative space
62
Q

Order of observation upon taking position

A

Unaided observation (immediate area)(near to far)(right to left)
Bino & high optic (ID points of interest

63
Q

Target Indicator definition

A

Anything that a Marine does or fails to do that reveals his position, presence, or passage to the enemy

64
Q

DOPE

A

Data On Previous Engagements

65
Q

3 elements of good shooting position

A

bone support
muscular relaxation
natural point of aim

66
Q

Line of sight

A

Line from eye to target through optic

67
Q

Sight picture

A

relationship between reticle & target as seen by the shooter

68
Q

Sight Alignment

A

Line up of rear and front sight

69
Q

Trigger Control

A

The skillful manipulation of the trigger that causes the rifle to fire without causing the weapon or reticle to move when sight picture is at its best

70
Q

3 errors of trigger control

A

Flinching
Bucking
Jerking

71
Q

Mil relation formula (meters)

A

Size of Target times 25.4 divided by mils equals range to target

72
Q

Mil relation formula (yards)

A

Size of target times 27.778 divided by mils equals range to target

73
Q

Methods of range estimation (6)

A
  1. 100 yard/meter unit of measure
  2. Appearance of objects (DM knows size of target)
  3. Bracketing (DM assumes farthest distance and nearest then chooses estimate of distance between)
  4. Combination of above methods
  5. Laser range finder
  6. Maps
74
Q

Constant for meters

75
Q

Constant for yards

76
Q

MOA

A

Method Of Adjustment

77
Q

Order of Priority for creating a range card

A
  1. Establish Security
  2. Fill in Marginal Data
  3. Estimate Range
  4. Establish a Reasonable Scale
  5. ID LLL / RLL / Sectors / Degrees / Label
  6. Sketch Major Terrain Features
  7. IC TRPs / Obtain Data & Record
  8. Detail Legend
  9. Finalize Notes
78
Q

Definition of Observation

A

the acquisition of facts and recording of specific information pertaining to the perception of details regarding persons, places, objects, or events

General Field Knowledge USMC (3 decks)

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