Figure G Installation of M mounting bracket assembly

G-5. FUNDAMENTALS OF MARKSMANSHIP

Except for aiming, the fundamentals of marksmanship for the AN/TVS-5 are the same as those for the AN/PAS-13 heavy weapon thermal sight.

a. Determine the range to the target (Figure G-5, page G-10). The range setting on the HWTS depends on the range to the target. To

Thermal Pas Tvs5 Mount

determine range to target, use any of several methods: range cards, range estimation techniques, the upper portion of the AN/TVS-5 reticle, or TRPs.

b. After determining range, use the aiming point designated for that range on the M2 reticle (Figure G-6, page G-12 shows the old reticle; Figure G-7, page G-13 shows the new reticle). If using the HWTS bracket and the M2 reticle, adjust the bracket to the nearest settings. Zero the sight on this setting and use the appropriate dot for the distance to the target as indicated in the reticle. For ranges beyond 1,200 meters, change the bracket to the far setting.

c. Bring the aiming point of the AN/TVS-5 onto the target using the T&E as explained in Section V.

d. Hold the weapon tight against the T&E, press the trigger, and adjust fire as needed.

DISTANCE TO TANK

DISTANCE TO TANK

Weapon Bore Light Offsets
4

DISTANCE TO TANK

(FRONT VIEW) IS 400 METER

Assembly Cal Machine Gun
DISTANCE TO MAN IS 200 METERS

Figure G-5. Range estimation for M2 (old reticle)

G-6. BORESIGHTING PROCEDURES

Boresighting the AN/TVS-5 to the M2 requires the following steps:

a. Place the M2 in the ready-to-fire configuration, with the AN/TVS-5 mounted, 25 meters from the bore-light-offset zero targets. Ensure the weapon and target sit level before making any adjustments.

b. Adjust the T&E until the bore light moves onto the bore light aiming point on the boresight target offset.

c. Use the vertical and horizontal reticle adjusters to move the 1,000-meter aiming point on the reticle to the AN/TVS-5 aiming point.

d. Recheck the bore light aiming point and the AN/TVS-5 aiming points to ensure they remain center mass of the target.

G-7. AMMUNITION, NIGHT TRAINING STRATEGY

Table G-1 shows STRAC changes effective with this change publication.

EVENT

CURRENT STRAC BALL/MIX

REC'D CHGS

TOTAL BALL/MIX

10M ZERO

12 BALL

0

12 BALL

10M RECORD

119 BALL

0

119 BALL

TRANSITION ZERO, PRACTICE

50 MIX

ELIMINATE

0

TRANSITION RECORD

154 MIX

ELIMINATE

0

NIGHT ZERO, PRACTICE, RECORD

182 MIX

ELIMINATE

0

AG INSTR FIRE

54 MIX

ELIMINATE

0

TABLE I

0

140 MIX

140 MIX

TABLE II

0

140 MIX

140 MIX

TABLE III

0

140 MIX

140 MIX

TABLE IV

0

140 MIX

140 MIX

TOTAL

131 / 440 = 571

560 MIX

131/560 = 691

NOTE: The above STRAC supports one qualification. Allocations increase with the frequency of qualifications required. Check the firing unit's force activity designator (FAD).

Table G-1. Changes to STRAC effective with this publication.

Section III. TABLES AND QUALIFICATION, NIGHT COURSE OF FIRE

Improved firing tables and qualification methods allow the gunner to track his performance while he fires the tables. Requalifying gunners need not repeat the entire course of fire. This section standardizes the four tables to lead the gunner on a gradual path to qualification. The gunner must pass each firing table before he moves on to the next one. The tables in this section require 691 rounds to qualify a gunner--93 more than the old tables required, and 120 more than the STRAC previously authorized. The guidance in this appendix supersedes the STRAC. Though the new tables allow more rounds, they cut the time allowed to qualify. However, they recommend a band of ranges rather than a specific range for each target. This adds considerable flexibility. The ten-meter firing exercise is only a means of training--it is not a qualification table.

Strac Table
RANGE IS IN HUNDREDS OF METERS

Figure G-6. Aiming points for the M2 (old reticle).

G-8. DIFFERENCES BETWEEN PRACTICE AND QUALIFICATION TABLES

Practice tables allow thirty extra seconds for each engagement. Also, infantry gun crews can practice in the daytime, but must qualify in both the daytime and at night.

Reticle Aiming Figure

Figure G-7. Aiming points for the M2 (new reticle).

a. Scoring. For point target engagements (lightly armored vehicle targets, such as BRDMs and BTRs), give full credit (GO) when the gunner hits the target.

b. Range Setup. Set up targets and ranges as follows. Select target ranges IAW the scorecard for the applicable firing table. When choosing or placing targets, make sure no dead space falls within 100 meters of any of them. Any dead space near the target could keep the gunner from seeing the round impact, which he has to do in order to adjust fire:

(1) Hull Targets. You need not modify hull targets on an impact range.

(2) Popup Silhouettes. Set up a thermal source on popup silhouette targets so the gunner can acquire them with the HWTS. If the gunner will be using the AN/TVS-5, place a light source on each target.

• Targets between 400 and 600 meters--two chemical lights.

• Targets between 600 and 900 meters--three chemical lights.

c. Grading. Each firing point requires one grader.

(1) Grading Equipment. While firing the day tables, the grader needs a set of binoculars. His other equipment needs vary according to the type of range used at night.

(a) Night Vision Assistance. When firing at hull targets, or when popup targets provide no downrange feedback, the grader must obtain an appropriate night vision device with which to observe the strike of the round.

(b) Target Scenario. The grader needs this.

(c) Range and Range Card. At each particular firing point, the grader gives the gunner a target and a range at which the gunner must engage the target. The grader needs a range card for that firing range. The range card should include numbered targets and the ranges to them.

(2) Start and End Times. Time starts as soon as the grader provides the target range and the target appears--which occur in this order, since graders must provide all required information before the target appears. Sometimes the targets consist of vehicle hulls in stationary positions. In this case, time starts as soon as the grader tells the gunner which target to engage and gives him the range to the target. Regardless of the type of target, time ends when the time designated for that task expires, or when the gunner successfully engages the target.

(3) Ammunition. Ammunition breaks down by task. The gunner places each belt beside the assistant gunner in order of use. The number of rounds authorized for each task equals the number of rounds in each belt. For example, eight tasks require eight belts of ammunition, which should all sit within reach of the assistant gunner in the order the gunner plans to fire them.

(4) Fire Control. Controlling M2 firing presents no problem when the range setup includes a firing lane for each firing point. However, this ideal situation seldom occurs with hull targets. In fact, some ranges must use the same target for each lane. This can cause confusion. When, inevitably, more than one gunner fires at the same target, no one can tell who hit it. The 400-meter target usually presents this problem. To prevent it, make sure that only one gunner at a time engages each target. If you want to let more than one gunner to fire at the same time, and then mix up the tasks so the gunners are firing at different targets. For example, have Point One fire at the 1,500-meter target while Point Two engages the 600-meter target, and so on. This requires careful coordination and communication between the graders.

d. Firing Tables. Figures G-8 and G-9 (page G-16), Figure G-10 (page G-17), and Figure G-11 (page G-18) show completed examples of the recommended day and night practice and qualification tables for the infantry M2 gunner and crew. Blank, reproducible forms are included at the back of the manual for users to copy onto 8 1/2 by 11-inch paper. They are also available on the Army Electronic Library (AEL) CD-ROM (EM0001) and at the USAPA website: http://www.usapa.army.mil.

(1) The first task allows evaluation of field zeroing. The gunner confirms the zero, even if he boresighted the weapon. If the gunner fails to zero within 14 rounds, graders remove him from the line and train him some more before letting him refire the table.

(2) All tasks have point targets. Graders should change one or two targets between the ranges of 600 and 900 meters to area targets, but should not change the round count or the time. They base their changes on range resources and the commander's guidance.

(3) Graders match the correct table to each target and weapon-sight configuration.

(4) Graders use range finders to predetermine the range to each target from each firing point.

(5) Graders set up M2s mounted or dismounted (in the tripod configuration), based on the range constraints and the commander's guidance.

(6) Leaders can have the unit fire the tasks in any order, and should do so to avoid redundancy in practice and qualification.

(7) For NBC qualification, the leader uses the practice tables.

e. Ammunition Requirements for Night Training Strategy. Table G-1 shows the ammunition requirements for a night training strategy.

G-9. SPECIAL MOUNTING PROCEDURES

This paragraph explains the special mounting and dismounting procedures required to mount a night vision device on the M2 heavy barrel .50 caliber machine gun.

a. Mounting Procedure. Before mounting the sight, the gunner ensures the bolt is forward and the rear sight is in the down position.

(1) Release and raise the top cover assembly to the upright position.

(2) Place the mounting bracket over the breach and slide it rearward until it stops.

(3) Push the three locking cams rearward until the bracket is secured (lock the side-locking cam first), and close the top cover assembly.

Qualification Scorecard

Figure G-8. Example completed DA Form 7448-R (Day Practice Scorecard).

Form Range Score Card For

Figure G-9. Example completed DA Form 7449-R (Day Qualification Scorecard).

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Figure G-10. Example completed DA Form 7450-R (Night Practice Scorecard).

Army M16 Pop Scorecard

Figure G-11. Example completed DA Form 7451 -R (Night Qualification Scorecard).

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Responses

  • anna
    How do you change the reticle in a tvs 5?
    8 years ago
  • Cathy Hock
    What is the mount called for a Pas 13 to be mounted on a .50 cal?
    3 months ago

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