Study Machine Gun Employment Flash Cards

 
Pile Management Card
Machine Gun Employment

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elevation screw plate
400 mils
How many mils is the elevating hand wheel
50 mils
How many mils or on the traversing hand wheel
100 mils
one complete turn is 25 mils
How many and where are the mils on the traversing bar
450 L of the center
425 right of center
total of 875
Under Application of fire how does a gunner engage an area target?
traversing and searching
Under application of fire How does one gunner engage a Point target?
Gunner uses fixed fire, if the target moves the traversing, searching or traversing and searching will be used
When is free gun used?
When the threat requires rapid major changes in direction and elevation that cannot be achieved while using the t&e
When is swinging traverse used?
When targets present themselves in much wider distances, traverse bar is not locked and no elevation changes are made
When is traverse and search used
When targets are veried by direction, range, and elevation
When is searching fire used?
when gunner must select several aiming points of different range or elevation
When is traversing fire employed?
When the gunner has to make no elevation or range adjustments
When is fixed fire employed?
When the beaten zone covers the whole target
What categories fall under respect to the weapon?
Fixed
Traversing
Searching
Traversing and searching
swinging traverse
free gun
What is enfilade fire?
When the long axis of the beaten zone coincides with the long axis of the target
What is oblique fire?
When the long axis if the target is at any other angle than a right angle or straight in front of the gunner
What is Flanking fire?
When enaging a target from its flank position
What is frontal fire?
When engaging a target straight in front of you moving straight at you or straight away from you
What categories fall under respect to the target?
Frontal
Flanking
Oblique
Enfilade
What is plunging fire?
is gunfire directed upon an enemy from an elevated position or gunfire aimed so as to fall on an enemy from above

When the danger space is in the beaten zone
What is Grazing Fire?
Grazing fire is when the center of the cone of fire rises less than 1 meter off of the ground
What falls under respect to the ground?
Grazing fire
Plunging Fire
What are the three classes of fire
Respect to the ground
Respect to the weapon
Respect to the target
What is Danger Space?
Danger space is the distance between the gun and its target where the trajectory rises less than 1.8m off the ground
What is a Beaten Zone
Where your cone of fire impacts the ground of your target.
What is a cone of fire
The trajectories of the rounds from a burst of fire and the pattern these create on the target
Where is the maximum ordinate?
2/3 of the way from the weapons system to the Target
What is trajectory?
The Path that the projectile makes upon exit of the weapons system
What is the form number for a Range Card?
DA Form 5517-R
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