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Machine Gun Employment
Terms in this set (20)
Automatic riflemen use assault fire when in close combat. Assault fire involves firing without the aid of sights using hip, shoulder, and underarm positions. Which of the below is a consideration for automatic riflemen using assault fire?
Aim low and fire upwards
Fire distributed in width and depth by successive changes in direction and elevation is known as _____________.
Searching and Traversing
Distributed fire is delivered in width and depth such as at an enemy formation. Concentrated fire is delivered at a point target such as an automatic weapon or an enemy fighting position. What determines how machine gun fire is applied at these targets?
Target type or activity
_________ occurs when the long axis of the beaten zone is at an angle other than a right angle to the front of the target.
The weapons squad leader must understand fully the mission, the amount of available ammunition, and application of machine gun fire needed to support fully all vital events of the mission. What are the rates of fire for the M249 squad automatic weapon?
Sustained - 50RPMRapid - 100RPMCyclic - 850RPM
Gunners can use this technique of fire when there is sufficient low ground between the machine gun and target area of the maneuver friendly force.
What are the six (6) fires with respect to the machine gun?
Fixed fire, Traversing fire, Searching fire, Traversing and Searching fire, Swinging traversing, Free Gun fire.*
Fire commands are given to deliver fire on a target quickly and without confusion. What are the six (6) elements of fire commands for the machine gun?
Alert, Direction, Description, Range, Method of fire, Command to fire*
When several rounds are fired in a burst from any machine gun, each round takes a slightly different trajectory. The pattern these rounds form on the way to the target is called a?
Cone of fire
Once the enemy has been suppressed, machine gunners fire at the ____________ rate of fire. By using this rate of fire, the gunners can conserve ammunition and requires only infrequent barrel changes.
Leaders and gunners should strive at all times to position their gun teams where they can best take advantage of the machine guns beaten zone with respect to an enemy target. What are the (4) classifications of fires with respect to the target?
Frontal fires, Flanking fires, Oblique fires, Enfilade fires
__________________ fire is employed against targets requiring major changes in direction but little or no change in elevation.
What type of fire is employed against a deep target or a target having depth and minimal width, requiring changes in only the elevation of the gun?
__________ occurs when the long axis of the beaten zone is at a right angle to the front of the target. This type of fire is not desirable when engaging a line formation because the majority of the beaten zone normally falls below or after the enemy target.
What is Fixed Fire?
When laying the machine gun for predetermined targets, the gunner can use field expedients as a means of engaging targets when other sources are not available. What field expedient technique is used to define sector limits and may provide the lay of the FPL or predetermined targets along a primary or secondary sector limit?
__________ occurs when the danger space is confined to the beaten zone, or when firing at long ranges, from high ground to low ground, into abruptly rising ground, or across uneven terrain, resulting in a loss of grazing fire at any point along the trajectory.
___________ occurs when the long axis of the beaten zone coincides or nearly coincides with the long axis of the target. This type of fire is either frontal or flanking and is the most desirable type of fire with respect to a target, because it makes maximum use of the beaten zone.
Fire delivered against moving targets requiring rapid major changes in direction and elevation that cannot be applied with the T&E mechanism is known as _____________.
What is the highest point the trajectory reaches between the muzzle of the weapon and the base of the target?
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