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Thread: LAS vs HAS Gun run employment.

  1. #1
    Member Isimus's Avatar
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    LAS vs HAS Gun run employment.

    I have a doubt regarding best gun attack profile against hard targets like tanks.

    TTP3, 5.11.2.1 LAS, explains that is the preferred method against hard targets, but after reading 5.11.2.1 HAS, it says: "results in an increased bullet density, more parts of the target are exposed and the overall effective target area is increased"

    My understanding is that LAS as opposed to HAS has much higher bullet dispersion, therefore, especially against hard ammo like the one on tanks, isn't it better a more concentrated impact area?

    Does it has to do with the angle of impact?

    Also, the top armor of the tank is usually the weakest together with the rear.

    So isn't a 30 or 45 better to impact the top?

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  3. #2
    HAS is going to be more effective against a hard target, and is more accurate against any point target. The steeper the better.

    If the TTP says LAS for hard targets then it'll need amending.

    It's partly down to bullet dispersion, partly bullet energy, and also thinner top armour on tanks.

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    Senior Member Gunny's Avatar
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    From the TTP3-3
    5.11.2.1 Low-Angle Strafe The LAS delivery is designed to effectively kill a hard target (tank). Cease fire on soft targets at 2,000 feet and 3,000 feet on hard targets. Breaking the 3/9 line will likely result in frag/ricochet damage

    It's also my understanding on an area Soft Target (not point target) LAS is a better practice including PAC off. It allows for 30mm dispersion on target area, since we know that CM has separate ammo. We know that HEI ballistics are different from AP, ie. they drop sooner. It provides Grazing Fire into the Beaten Zone. Not sure if the AF uses these terms but we did as Marine Ground Operators. Something to think about for your Weaponeering.



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    KOVIC


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    I'll check the real TTP tonight but IIRC that is what it states.

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    Member Isimus's Avatar
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    Less than 6000ft is needed for tanks, but what about the burst time? Is the standard 2 sec enough? Or should we aim for longer bursts?

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    KOVIC


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    The real TTP states

    "The objective of a LAS delivery is to press into effective kill range for a hard target (tank).

    But nothing about preferred method. Not sure where that part came from.

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    Maybe I got it wrong. Just wanted to make sure which delivery method is the most appropriate

  13. #8
    You should never be firing for more than two seconds, if you do you'll be too close to the target, and be almost certain to overfly it. Aim for around 100 rounds per strafe.

    In this case, what the real 3-3 states doesn't really matter that much. It's the effect in DCS that we are most concerned with, and LAS is nigh on useless against anything from T-72 and up.

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    Member Isimus's Avatar
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    Thank! And if you can choose, would you go for 30 or 45?

  16. #10
    Steeper is better when practical.

    That wording from the TTP makes more sense, especially in context of DCS. However the range at which you need to close to kill a MBT with a single pass in DCS is too close to be practical in most cases.

    It's all a symptom of us not having mission/mobility kills available in the sim.

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