Another “Non-Lethal” Weapon: The Active Denial System

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There’s an upswing in the so-called non-lethal weapon trend which has led, as of late, to the adoption of the Police Force Triple Defender and The Alternative, both of which we’ve covered here on TFB. The Police Force Triple Defender is a triple-incapacitation system capable of emitting the acidic burn of pepper spray, the crackling voltage of a stun gun, or the disorientation of a strobe. The Alternative could easily be described as a ball-peen hammer condom for your gun; it’s a ball that snaps over your gun’s muzzle. Said ball captures the first fired bullet, turning the ball into what would hopefully be a non-lethal, but incredibly painful, projectile, making your first shot compelling but not deadly. Now we have another one, and while it isn’t brand new in design the idea of bringing it to law enforcement use is new. Enter The Active Denial System.

Yes, the name makes it sound as though we’re kidding, but it really is named The Active Denial System (ADS). Described as a non-lethal directed energy weapon, the ADS was designed by the military, for the military. Within the service it’s usually referred to as the “heat ray” because that’s what it is: a giant heat ray. It fires a 95 GHz wave (3.2mm wavelength) at targets, heating the surface to unbearable temperatures. And while it works through dielectric heating along the same principles as a microwave, the military is quick to say it is not a microwave and does not create radiation of any sort. The ADS penetrates to 0.4mm; microwaves penetrate to a depth of 17mm, and while those numbers alone do not substantiate claims the system doesn’t have a microwave-like effect, rather limited studies to date show the system does indeed remain on the surface as opposed to producing an internal cooking effect. The system’s range has been tested at 1000 meters, which is about as long as seven football fields.

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Human testing thus far has been somewhat limited. To date there have been under 1000 human test subjects, one of whom was Kelley Hughes, a civilian military employee who volunteered for the honor of being crisped like bacon. According to Hughes the sensation is “intolerable” and she “felt heat ramping up quickly.” Hughes only made it a matter of seconds before succumbing to the desire to get as far away from the beam as possible. Understandable considering testing has shown the ADS produces the desired repellant effect at 111 degrees Fahrenheit, moving on to generate first-degree burns at 124 degrees Fahrenheit and second-degree burns at 136 degrees Fahrenheit. Blistering occurred in 0.1% of human test subjects; most are quick to run away since stepping out of range of the beam causes immediate relief from what one tester described as being “on fire.”

The DoD worked on this design from 2002 to 2007 with the first fully-functional system being demonstrated at Moody AFB in January of 2007. By 2010 the ADS had been deployed to Afghanistan, a tour cut short by what appear to have been climate-related operational difficulties. Of course, some say the reason the ADS was not once fired against the enemy was due to concern over its being “cruel” and concerns it would give insurgents ammunition for their propaganda machine against Americans (those same talking heads referred to the system as a “disturbing trend” in weaponry, failing to see the enormous irony of their own statements). But the military was not to be dissuaded; in 2011 work began on a more portable version of the ADS since previous incarnations had been cumbersome vehicle-mounted weapons. In 2013 the Marines and Army used it to turn up the heat on modern-day pirates, halting enemy attempts to board ships. Today the word is the ADS is being made significantly smaller; who knows, maybe we’ll soon have hand-held heat ray guns a la H.G. Wells’ 1898 thriller, War of the Worlds (if your only knowledge of Wells’ work is the more recent slop created starring Tom Cruise, you really are missing out and should check out the classic 1953 movie at the very least if not the book itself).

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So, are non-lethal weapons the wave of the future? Many are pushing for it, and inventors and designers are working overtime to make it reality. Perhaps someday soon you’ll be able to fire your microwave in the heat of the moment (all puns intended). Or perhaps the facts will get in the way and bring with them a crowd of naysayers: dangerous side effects feared as a result of hits from an ADS include cancer, cornea damage (do not look into the light), birth defects, blisters, and hypertrophic or keloid scarring. Although testing so far hasn’t shown any reason for concern beyond a few pea-sized blisters, use has not been extensive enough or long-term enough to be truly confident in the results one way or another.

Frankly, when one side or the other gets amped up over non-lethal weapon possibilities I cannot help but flash back to the adrenaline-fueled charges of the Moro Warriors during the American-Philippine War. Those enemy combatants, such as they were, were armed mostly with wooden swords and implements and facing guns like the .38 Long Colt wielded by the U.S. Cavalry, and when they were shot they simply kept coming. Fast-forward to current-day combat; I’ve heard more than one story from Grunts and SF operators of the way insurgents have kept fighting after being shot by FMJ 5.56. It follows, logically, if men riding on a high of either adrenaline or the contents of the poppy fields can brush off the effects of bullets penetrating their bodies to carry out attacks, a little heat – albeit blistering, painful heat – isn’t going to stop them, either. There’s a reason it’s called “force” and not “suggestion” after all. Conflicts are not resolved by offerings of daisies (now, daisy cutters…), they’re resolved with firepower.

So while it’s true non-lethal weapons may have their place in crowd control during riots such as those recently seen in Ferguson, it seems wise to remember the proper place of such weaponry. It also seems wise to remember the tendencies of human error and flat-out stupidity. It’s easy to be torn about weapons systems such as these, because while there are certainly some applications, they’re rife with the possibility of problems, and if one was to take a slightly cynical viewpoint, one could easily see the surge in non-lethal weapons as a work-around towards another goal. If one was to really reach, the proliferation of non-lethal methods could also easily translate to even more unwanted changes in our ROE. Whereas today a soldier may be ordered not to shoot unless the enemy is actively engaging him at that very moment, tomorrow there could be even more: stun the enemy in XYZ scenario, heat him up in ABC, and so on. Seem far-fetched? Our grandfathers battling through World War II would be shocked to be dropped into Afghanistan today and told they’re not allowed to shoot a known terrorist because he hid his AK-47 behind the rock two inches to his left (despite knowing unequivocally said terrorist is going to grab said rifle and take out soldiers at the first opportunity).

General George Patton, Jr., said it best when he stated “May God have mercy upon my enemies, because I will not.” What do you think, are non-lethal weapons the wave of the future, or are they a sign of an entire laundry list worth of problems?



katie.ainsworth

Katie is an avid shooter, hunter, military journalist, and Southern girl. Firearms are her passion whether at the range or on a spot-and-stalk after a big buck. She’s a staff writer at The Firearm Blog and writes about guns, hunting, and the military for various publications both online and in print such as Outdoor Life, Handguns, and Shooting Illustrated. Shoot her a message at ainsworth.kat@usa.com


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  • guest

    didn’t some poor soul get half of his face fried by that thing while operating it in iraq and later received compensation for nondisclosure and compensation, pretty sure saw a interview done on it done, but cant find it now

  • morokko

    Does getting active denial mean that the police is going to be passive agressive from now on?

    • Giolli Joker

      No.
      It’s something that the military uses and will use but they proactively deny it.

    • DonDrapersAcidTrip

      Is this what they’re using in new york then

  • Burkefett

    1000 meters is about 7 football fields? And here I was, thinking the meter was longer than the yard.

    • MR

      Football Americano, or Futbol(!!!!!!!!!!!)?

    • JR

      From an online source:
      109.73 m
      (with end zones)

    • Irish

      A meter is approximately 3.3 inches longer than a yard.

  • MR

    I want one of those, for my house.

  • Alter_Ego

    As a citizen of the western world, I find the idea of police frying people very disturbing. The trend of less-lethal weapon is that they are abused, because they don’t kill instantly but torture you first. I really see this as “policing through fear”, which is obviously bad.

    • Irish

      Clearly you’ve never had to put handcuffs on someone who is resisting. The first arrest I participated in was a woman who was 5′ tall and about 120 pounds. It took three grown men to get her in handcuffs. If she had been any bigger or stronger, it’s unlikely anything short of a taser or pepper spray would have gotten those cuffs on. Oh, and she was high on heroin and xanax. The ADS may not be useful for every day police applications, but don’t deny less lethal simply because it causes pain for compliance. A taser can sometimes save someone from greater injury than wrestling would. And sometimes it causes greater injury. It’s all very dependent on the situation at hand.

      • Not_a_Federal_Agent

        Anti-anxiety medication and a drug that gives a dopamine rush end ensuing several hour crash of passing out or being tired make 5′ 120lb women into super man? Tell me more about the superhuman adrenaline rush either of those two drugs give.

        Pretty sure you have never put handcuffs on someone who is resisting either.

      • Alter_Ego

        @Irish, I’ll ignore the ad hominem attack (if you never arrested anybody you don’t know?) neither the fact that you admit of generalizing based on your first arrest.

        The fact is, “causing pain during compliance” is sometimes unavoidable. Obviously, while subduing a resisting suspect, you might be unable to avoid inflicting pain.
        Then I see the “causing pain to get compliance” which is slightly worse as the pain itself is not a consequence, but a mean. Batoning a person on the floor, for instance, because unable to proceed to an arrest in a better way.
        Worse of all, there are things like this “ray-machine gun” (it’s an area weapon, no discrimination whatsoever). Sure, tazing, spraying or frying people saves injury if the alternative is being batoned to unconsciousness (I understand grappling is not practised in your force?). But the ability of dispensing pain with no risk or effort for police’s personnel is definitely a danger, much worse than firearms.

        And I’d like to stress that the concerns on the weapon discussed are solely for LEing, not for military applications (even if I really think such system might be even less useful during a conflict).

        • Daisuke0222

          ADS is a crowd control device, for breaking up demonstrations, groups of looters, etc. or for denying access to a particular area. It wouldn’t be useful for causing suspects to comply during an arrest because the officers would also be subject to its effects.

  • A.g.

    So an heavy, expensive,energy intensive, potentialy lethal and fragile system who is defeated by a wooden door recovered by aluminium paper used as shield will be used on crowd control…
    What is the benefit compared on a water canon with urticant agent more usefull on rioters with molotov cocktail ?

  • brian

    I assume the “ray/beam” is area targeted rather than individual. So being that it is capable of energy past 3rd degree burns (and beyond) what would happen to a wounded (military) or a disabled (civillian) person who cannot readily move out of way? In some circles it could be considered inhuman. Not that some don’t deserve to be considered human.

  • anonymous

    Some days I feel like I’m living in a Matthew Bracken novel.

  • JR

    “does not create radiation of any sort”
    By definition it does create (or emit) radiation in the 95 GHz range. Perhaps they mean non-ionizing radiation?

    • Daisuke0222

      Exactly. Whichever “military” spokeszombie said that apparently didn’t pass 8th grade science.

  • JR

    “or are they a sign of an entire laundry list worth of problems?”
    I think, in the long term, they will be misused and legitimate protest will suppressed using devices like this.
    Imagine if the British had something similar in the 1700’s, we’d likely all still be subjects of the crown. I know, the “what-if” game can be played for both sides.

    • Yellow Devil

      Well technically some Patriots had something like this, it was called “Tarring and Feathering”.

    • Otis

      Police already used LRAD to cause permanent hearing damage to protestors in Pittsburgh. Adding this to the mix is pretty much inevitable.

    • anonymous

      > in the long term, they will be misused and legitimate
      > protest will suppressed using devices like this.

      To those in power, that’s a feature, not a bug.

  • William Baker

    Yeah, simple physics but throwing any energy across a distance to create a ‘di-electric effect’ or heat something is by definition, radiation. Is it nuclear hair fall out type, no, but lets not be idiots.

  • Vitsaus

    I give it two years before major metropolitan police departments have these. They’ll be “surplus” of course. And acquired for “officer saftey.”

  • Just sayin…

    As long as you don’t hit the enemy in the head or heart, 5.56 FMJ might as well be non-lethal.

    • Llewellyn Franks

      what part of “do not shoot at anything you do not intend to destroy” do you not understand?

  • Shawn

    I want one.

  • Alucard

    Don’t know if you knew this TFB,but this was covered by future weapons in 2007.
    So this has actually been around for a while.

  • IXLR8

    I guess they are trying to figure out how to protect themselves, from themselves. When someone realizes they can pick up any of a number of common objects and reflect the “ray” right back at the machine and operators, then the usefullness will be diminished.

  • shadow

    Bang. bang. bang bang bang. Cuff him Daniel.

  • noguncontrol

    if your store is being robbed by rioters and looters, you would shoot them with your m-14 or ar-15, this ADS is pretty much useless for preventing rioting or looting.