MACHINE GUN EMPLOYMENT Flashcards

1
Q

Which FM’s cover machine gun employment

A

FM 3-22.68 AND FM 3-21.8

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2
Q

Describe the Cone of Fire

A

Each round fired in a burst will have a different trajectory. The pattern created is called the cone of fire.

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3
Q

What is the Beaten Zone

A

Elliptical pattern formed on the ground on the target by the striking rounds.

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4
Q

What is Danger Space

A

Space between machine gun and target where trajectory rises less then 1.8 meters above ground.

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5
Q

What are the 3 Classes Of Fire

A

Respect to Ground, Respect to Gun, Respect to Target.

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6
Q

What are the 2 subcategories of Respect To Ground

A

Grazing Fire: When center of Cone Of Fire is less then 1 meter above ground.
Plunging Fire: When Danger Space is within the Beaten Zone.

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7
Q

What are the 6 subcategories of Respect To Gun

A

Fixed, Traversing, Searching, Free Gun, Traversing/Searching, Swinging Traverse.

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8
Q

What are the 4 subcategories of Respect To Target

A

Frontal Fire, Flanking Fire, Oblique Fire, Enfilade Fire.

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9
Q

What are the appropriate fires for respective targets

A
Point Targets - Fixed Fire
Area Targets - Traverse and Search fire
Linear Targets - Traversing Fire
Deep Targets - Searching Fire
Linear Targets w/Depth - Traverse and Search Fire
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10
Q

What is Over Head Fire

A

Only delivered from tripod or VIC using T&E and friendlies between 350m-850m

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11
Q

What is defilade position

A

When machine gun and crew are completely masked by terrain from enemy

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12
Q

What are 6 methods of Fire Control

A

Prearranged Signals, Range Cards, Personal Contact, Verbal, Hand/Arm Signals, SOP’s

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13
Q

What are 6 Fire Commands

A

Alert, Direction, Description, Range, Method Of Fire, Command To Open Fire

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14
Q

What are the 7 principles of Machine Gun Support

A

Mutual Support, Economy of Ammo, Sited in Defilade, Sited to produce Enfilade Fire, Coordination, Cover and Concealment, Interlocking Fires

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15
Q

What is DA form for Range Card

A

5517

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16
Q

What is (FPF) Final Protective Fire

A

An immediate prearranged barrier of fire to stop enemy movement across defensive lines or areas

17
Q

What is (FPL) Final Protective Line

A

Predetermined line along were Grazing Fire is placed to stop enemy assault. Fixed in direction and elevation.

18
Q

What is Dead Space

A

Area where a solider is waist high to line of sight of gunner

19
Q

Maximum Ordinates

A

Is the highest point above the line of sight the trajectory reaches between the muzzle of the weapon and the base of the target

20
Q

Trajectory

A

Is the curved path of the projectile in its flight from the muzzle of the weapon to its impact