DM Knowledge

Question 1

What is a stoppage

Answer 1

An unintentional interruption in the cycle of operation

Question 2

What is a malfunction

Answer 2

Failure of weapon to fire satisfactory or as designed

Question 3

Ballistics

Answer 3

The study of a projectile in motion

Question 4

Internal Ballistics

Answer 4

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

Question 5

External Ballistics

Answer 5

The study of a projectile’s performance characteristics during flight

Question 6

Terminal Ballistics

Answer 6

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

Question 7

Observation

Answer 7

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

Question 8

SALUTE

Answer 8

Size
Activity
Location
Unit/Uniform
Time
Equipment

Question 9

SUT report

Answer 9

Shooters
Unknowns
Threats

Question 10

SASS

Answer 10

Semi Automatic Sniper System

Question 11

SSDS

Answer 11

Scout Sniper Day Scope

Question 12

SSMRNS

Answer 12

Scout Sniper Mid Range Night Scope

Question 13

SSOT

Answer 13

Scout Sniper Observation Telescope

Question 14

ATB

Answer 14

Appears To Be

Question 15

KIM

Answer 15

Keep In Memory

Question 16

RTT

Answer 16

Range To Target

Question 17

RIY

Answer 17

Range In Yards

Question 18

How to convert yards to meters

Answer 18

x 0.9144

Question 19

M110 SASS (characteristics)(LDAMS)

Answer 19

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

Question 20

SASS full mag count

Answer 20

20 rounds

Question 21

Maximum length of SASS

Answer 21

46.5 in

Question 22

SASS barrel length

Answer 22

20 in

Question 23

SASS caliber

Answer 23

7.62mm

Question 24

SASS max effective in meters

Answer 24

800m

Question 25

SASS max effective in yards

Answer 25

875m

Question 26

SASS muzzle velocity (suppressed)

Answer 26

2556fps

Question 27

SASS muzzle velocity (unsuppressed)

Answer 27

2571fps

Question 28

SASS rate of fire

Answer 28

5 rpm

Question 29

M71 SSOT magnification

Answer 29

12x40

Question 30

M71 SSOT field of view

Answer 30

56-18@ 1000m

Question 31

M71 SSOT length

Answer 31

12.4 in

Question 32

M24 Binoculars magnification

Answer 32

7x

Question 33

M8541A SSDS power

Answer 33

S&B - Variable 3x12

Question 34

M8541A SSDS reticle type

Answer 34

illuminated gen 2 mil dot reticle

Question 35

2 types of moving target engagement techniques

Answer 35

1. Ambush 2. Track and hold

Question 36

Cones

Answer 36

provide day vision

Question 37

Rods

Answer 37

provide night vision

Question 38

2 types of night illumination

Answer 38

Ambient Artificial

Question 39

9 factors effecting night vision

Answer 39

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

Question 40

7 factors of recognition

Answer 40

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

Question 41

Process of observation (8 Rs)

Answer 41

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

Question 42

Types of searches (3)

Answer 42

hasty detailed night

Question 43

4 classification of mirage

Answer 43

boil light medium heavy

Question 44

M110 SASS Cycle of Operations

Answer 44

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

Question 45

M110 Length collapsed w/o suppressor

Answer 45

40.5 in

Question 46

M110 Length w suppressor(buttstock fully extended

Answer 46

46.5 in

Question 47

M110 Length extended w/o suppressor

Answer 47

42 in

Question 48

M110 weight (buis & bipod adaptor)

Answer 48

11.06 lb

Question 49

Sound suppressor weight

Answer 49

1.96 lb

Question 50

Magazine weight fully loaded

Answer 50

1.62 lb

Question 51

All attachments and fully loaded

Answer 51

17.8 lb

Question 52

M110 Rifling

Answer 52

1/11 right hand twist

Question 53

M110 how many grooves

Answer 53

5

Question 54

Caliber

Answer 54

7.62 62x51mm NATO .308 caliber

Question 55

DOPE

Answer 55

Data On Previous Engagements

Question 56

SSDS magnification

Answer 56

3x12

Question 57

PIR

Answer 57

Priority Intelligence Requirements

Question 58

CCIR

Answer 58

Commander Critical Information Requirements

Question 59

SIR

Answer 59

Specific Intelligence Requirements

Question 60

EIR

Answer 60

Essential Intelligence Requirements

Question 61

9 elements (observation)

Answer 61

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

Question 62

Order of observation upon taking position

Answer 62

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

Question 63

Target Indicator definition

Answer 63

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

Question 64

DOPE

Answer 64

Data On Previous Engagements

Question 65

3 elements of good shooting position

Answer 65

bone support muscular relaxation natural point of aim

Question 66

Line of sight

Answer 66

Line from eye to target through optic

Question 67

Sight picture

Answer 67

relationship between reticle & target as seen by the shooter

Question 68

Sight Alignment

Answer 68

Line up of rear and front sight

Question 69

Trigger Control

Answer 69

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

Question 70

3 errors of trigger control

Answer 70

Flinching Bucking Jerking

Question 71

Mil relation formula (meters)

Answer 71

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

Question 72

Mil relation formula (yards)

Answer 72

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

Question 73

Methods of range estimation (6)

Answer 73

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

Question 74

Constant for meters

Answer 74

25.4

Question 75

Constant for yards

Answer 75

27.778

Question 76

MOA

Answer 76

Method Of Adjustment

Question 77

Order of Priority for creating a range card

Answer 77

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

Question 78

Definition of Observation

Answer 78

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