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Exam II > Principles of Fire Support > Flashcards

Principles of Fire Support Flashcards

1
Q

What makes up a mortar section?

A

3 60mm/M224

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2
Q

How can a M224/60mm be fired?

A

Crop fire mode (conventional method)

Trigger fire mode (conventional or hand-held method)

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3
Q

How many Marines are in a 60mm mortar section?

A

10 Marines
1-Section Leader
3-Squads each with 3 Marines (Squad Leader, Assistant Gunner, & Ammo man)

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4
Q

What is the max range of the M224/60mm?

A

3,500m

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5
Q

What is the ECR of the M224/60mm?

A

30m

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6
Q

What is the minimum range of the M224/60mm?

A

70m

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7
Q

What are the rates of fire for the M224/60mm?

A

Max (4 mins) = 30 rds per min

Sust (indef) = 20 rds per min

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8
Q

What is the max range for the M252/81mm?

A

5,700m

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9
Q

What is the ECR for the M252/81mm?

A

35m

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10
Q

What is the minimum range for the M252/81mm?

A

83m

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11
Q

What are the rates of fire for the M252/81mm?

A

Max (2 min) = 30 rds per min

Sust (indef) = 15 rds per min

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12
Q

What is the max range for the M327/120mm?

A

8,135m

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13
Q

What is the ECR for the M327/120mm?

A

45m

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14
Q

What are some mortar capabilities?

A
  1. High volume of fire
  2. Highly responsive asset
  3. Light, mobile, & flexible
  4. Fires from & into defilade
  5. CO’s ‘hip pocket artillery’
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15
Q

What are some mortar limitations?

A
  1. Long time of flight
  2. Ammo consumption
  3. Multiple displacements
  4. Range
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16
Q

What is the mission of the Marine Corps artillery?

A

Integrate & deliver lethal & non-letha fires to enable joint & maneuver commanders to dominate their operational environment across the spectrum of operations.

17
Q

What are artillery’s 3 key tasks to accomplish their mission?

A
  1. Provide close & continuous fire support to the maneuver units. Provided day/night & in all weathers.
  2. Gives depth to the battlefield.
  3. Deliver counter fire within the range of our weapon systems to ensure freedom of movement for ground forces.
18
Q

What is the range of the XM777A2/155mm?

A

18,100m

30,100m with rocket assisted projectile (RAP)

19
Q

What is the max rate of fire of the XM777A2/155mm?

A

5 rds per min (3 mins)

20
Q

What is the sustained rate of fire for the XM777A2/155mm?

A

2 rounds per min (indef)

21
Q

What is the range of the HIMARS?

A

30,000m

22
Q

What ammo does the HIMARS use?

A 
M31 HE (PD or Delay fuze) (GPS) (15-70km)
M48 ATACMS (70-300km)
23
Q

What does an artillery battalion consist of?

A

1 Headquarters Battery

3 Firing Batteries (6 howitzers in ea batter, 18 in the Bn)

24
Q

What are the different artillery regiments?

A

10th Marines w/2d MARDIV
11th Marines w/1st MARDIV
12th Marines w/3d MARDIV
14th Marines w/4th MARDIV

25
Q

What consists of a firing team?

A 
The observer (eyes)
The FDC (Brain)
The Howitzer section (muscle)
26
Q

What are some artillery capabilities?

A
  1. Maneuvering fires
  2. Massing fires
  3. Surprise fires
  4. All weather capability
  5. Fires from & into defilade
  6. Rapid displacement
27
Q

What are some artillery limitations?

A
  1. Reduced effectiveness
  2. Poor terrain
  3. Close combat
  4. Air attack
  5. Ammo burden/logistics
  6. Inability to support initial phase of amphibious operation
  7. Comm
  8. Counter battery radar
28
Q

What are the different projectiles for 60mm?

A

HE (high explosive)
WP (white phosphorus)
Illum (40 sec)
IR Illum

29
Q

What are the different projectiles for 81mm?

A

HE (high explosive)
WP (white phosphorus)
Illum (60 sec)
IR Illum

30
Q

What are the different projectiles for 120mm?

A

HE (high explosive)
WP (white phosphorus)
Illum (120 sec)
IR Illum

31
Q

What are the different projectiles for 155mm?

A 
HE (high explosive)
WP (white phosphorus)
Illum (120 sec)
IR Illum
M825 Smoke (WP)
HE/RAP
Improvised Conventional Munition (ICM)
32
Q

What are the different fuzes for 60mm?

A

Point Detonating (PD) or Quick (Q)
Delay (D)
Proximity (Prox)/Near Surface Burst (NSB)
Variable Time (VT)

33
Q

What are the different fuzes for 81mm?

A

Point Detonating (PD) or Quick (Q)
Delay (D)
Proximity (Prox)/Near Surface Burst (NSB)
Variable Time (VT)

34
Q

What are the different fuzes for 120mm?

A

Point Detonating (PD) or Quick (Q)
Delay (D)
Time

35
Q

What are the different fuzes for 155mm?

A

Point Detonating (PD) or Quick (Q)
Delay (D)
Variable Time (VT)
Time

Exam II (14 decks)

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