The Heat Ray That Never Fired: Inside the DoD Non-Letha...

Stand in the path of the Active Denial System and, according to the people who tested it, your body decides for you. A millimeter-wave beam heats the surface of your skin, the reflex to get out of the way fires before the thinking part of your brain catches up, and you turn and run. The Pentagon spent years chasing that reflex and never once fired the weapon at an adversary. The Active Denial System is the most famous product of the DoD Non-Lethal Weapons Program, a joint effort run out of Quantico, Virginia since 1996. By the Government Accountability Office's count, roughly $817 million in budgeted funding moved through the program over twelve years, and it produced no new weapon of its own.

An option between shouting and shooting

The idea behind non-lethal weapons is simple and, on its face, humane. A Marine at a checkpoint who sees a car speeding toward the barrier has two honest choices under normal rules of engagement. He can yell and wave, or he can shoot the driver. Everything useful lives in the gap between those two acts, and for most of military history that gap was empty. The Non-Lethal Weapons Program exists to fill it with tools that can stop a person or a vehicle without killing anyone. The current term of art for this is intermediate force, the set of options that sit between a shouted warning and a lethal round.

The program covers a wide catalog. There are vehicle and vessel stoppers meant to disable an engine or foul a propeller, blunt-impact rounds and flash-bang munitions, dazzling lasers that overwhelm a driver's vision without blinding, acoustic hailing devices that can project a warning across a long distance, and directed-energy systems like the heat ray. The Defense Department stood the effort up in 1996, in the years after Somalia, when American troops kept finding themselves policing crowds and traffic in places where the only weapon on their hip was designed to kill. The promise was that giving troops a middle option would protect civilians and service members at the same time.

Who runs it, and how

The program has an unusual command arrangement. Rather than living inside one of the big acquisition commands, it is assigned to a service as a DoD Executive Agent. The Commandant of the Marine Corps holds that designation for Non-Lethal Weapons, an assignment recorded in the Department of Defense Executive Agent registry and effective July 9, 1996. The original designating issuance was DoD Directive 3000.3, signed that same day. The current governing document is the 2013 reissuance, DoD Directive 3000.03E, which continues the Commandant as Executive Agent and lays out the policy and responsibilities for the field. The 2009 audit that anchors most of what we know about the money predates the 2013 version, so it cited the original 3000.3, and it is worth keeping the two straight because they are not the same paper.

Day-to-day management runs through a small joint office at Quantico, long known as the Joint Non-Lethal Weapons Directorate. In recent years it was rebranded as the Joint Intermediate Force Capabilities Office, a name change that signals ambition rather than retreat. The office does not own a big weapons factory. It coordinates requirements across the Army, Navy, Air Force, and Marine Corps, funds research, and tries to make sure the services are not each solving the same problem in a separate lane. That coordinating role is cheap next to a fighter program. It is also, as the auditors would later point out, only as valuable as the things it actually delivers.

The money, by the government's own audit

The clearest accounting comes from GAO-09-344, a 2009 report on the program's first twelve years. The numbers are worth stating precisely, because the program's defenders and critics tend to round them in whichever direction suits them. The Joint Non-Lethal Weapons Directorate reported receiving funding of about $462 million from 1997 through 2008, of which it reported spending at least $386 million. The word spending is the auditors' own, and the $386 million carries an "at least" floor. That figure is the load-bearing number in any honest description of this program.

On top of the directorate's own budget, the military services and other organizations reported at least another $355 million on non-lethal weapons over the same years. GAO added the two together and described a total of about $817 million budgeted for that period. Two cautions belong right next to that headline. First, the $817 million is characterized as budgeted funding, not confirmed outlays, and GAO itself flagged the reliability of the combined total as limited. Only the $386 million is stated flatly as money spent. Second, the $355 million is also an "at least" floor, and in the body of the report it spans not just the four services but also other organizations, including U.S. Special Operations Command and the Office of the Secretary of Defense. A separate figure of about $789 million for fiscal years 2009 through 2013 sometimes gets folded into the total by careless writers. It should not be. That is a forward projection, not money already moved, and it sits outside the $817 million.

Where the results thinned out

The reason the money drew a watchdog's attention is what it bought, or did not buy. Over those twelve years the program ran more than fifty research and development efforts and did not produce a single new weapon of its own. The services fielded four items that, in GAO's careful phrasing, only partially filled some capability gaps. The auditors found that DoD had fielded some equipment before finishing human-effects testing, meaning items went to troops before the government had fully answered what the gear does to a human body, and that the program lacked clear policy and priorities tying its spending to validated needs.

The Active Denial System is the sharpest illustration. It is the marquee item, the one that got the magazine covers and the nickname. It is also the one that got cancelled. After years of development the second prototype had grown into a machine of more than nine tons, too complex to repair in the field, and in December 2008 the Executive Agent terminated the effort to deploy that version overseas. A version of the system was shipped to Afghanistan in 2010 and then shipped home again without ever being fired. A weapon designed to make crowds disperse crossed an ocean twice and did nothing in between.

The heat ray surfaced again in a very different setting. On June 1, 2020, during the clearing of Lafayette Square in Washington, the Defense Department's lead military police officer for the National Capital Region sent a message asking whether the D.C. National Guard had an Active Denial System available. The account comes from National Guard Major Adam DeMarco, who described the request as part of a whistleblower disclosure, and it drew a GAO review and a wave of public alarm at the idea of pointing a battlefield heat weapon at American protesters. No such device was used that day. The episode still did more to define the program in the public mind than any checkpoint in Iraq or Afghanistan, and not in a flattering way.

The case that it earns its keep

Set the heat ray aside and the program looks better. The underlying mission is genuinely defensible, and in the right moment it saves lives. A Marine who can stop a car with a spike strip or a vessel stopper, or who can move a crowd back with a loudspeaker instead of a rifle, has an option that did not exist a generation ago. That option protects the driver who took a wrong turn, the family in the next lane, and the young service member who would otherwise have to make a lethal decision in a fraction of a second. The whole point of intermediate force is to make the space between shouting and shooting survivable.

Several practical tools did reach the field, even if none was a program-invented weapon. Vehicle and vessel stoppers, acoustic hailing devices, and improved munitions are in service and in use. A small joint office that keeps the four services from duplicating each other's non-lethal research is inexpensive by Pentagon standards, and the coordinating function has real value even when the flashy prototypes fail. The mission has grown rather than shrunk over the past three decades, which is why the office was rebranded around the broader idea of intermediate force capabilities rather than quietly closed. From that angle the program is not a boondoggle at all. It is a modestly funded office doing patient, unglamorous work that occasionally keeps someone alive.

Reading the ledger

Both readings are true at once, and the honest move is to let them sit side by side. On one side of the ledger is a program that, by the government's own audit, moved something on the order of $817 million in budgeted funding through its accounts in twelve years, spent at least $386 million of it directly, invented no new weapon, and produced a marquee system that was cancelled, shipped to a war zone and back without firing, and then remembered mostly for a request to aim it at a crowd in an American city. On the other side is a real capability gap, a genuinely humane mission, a handful of fielded tools that give troops a choice short of killing, and a coordinating office that costs little next to the hardware programs around it.

The number to hold onto is the spent figure, $386 million, because it is the one GAO states without hedging. The $817 million is the fuller picture, but it is budgeted funding of limited reliability, not confirmed outlays, and anyone who quotes it as cash burned is overstating the case. What the record supports is narrower and more uncomfortable than either camp's slogan. The Non-Lethal Weapons Program is neither a scandal nor a triumph. It is an office that spent a real amount of money on a good idea and has, so far, delivered more in principle than in hardware.

Fact-check notes and sources

The Commandant of the Marine Corps is the designated DoD Executive Agent for Non-Lethal Weapons, an assignment effective July 9, 1996. The original designating issuance was DoD Directive 3000.3 (1996); the current governing reissuance is DoD Directive 3000.03E (2013), which continues the designation. DoD Executive Agent registry, DoD Directive 3000.03E.
The Joint Non-Lethal Weapons Directorate reported receiving about $462 million from 1997 through 2008 and spending at least $386 million; only the $386 million is stated as money spent, and it carries an "at least" floor. GAO-09-344.
The military services and other organizations reported at least about $355 million more over the same years, for a combined total GAO described as about $817 million budgeted for the period. This total is budgeted funding, not confirmed outlays, and GAO flagged its reliability as limited; the separate $789 million for fiscal years 2009 through 2013 is a forward projection and is not part of the $817 million. GAO-09-344.
Across those twelve years the program ran more than fifty research and development efforts, produced no new weapon of its own, and fielded four items that only partially filled capability gaps; the more-than-nine-ton second Active Denial System prototype had its overseas deployment terminated in December 2008. GAO-09-344. The program's origin in 1996 and its rebranding as the Joint Intermediate Force Capabilities Office are documented by the office itself. Joint Intermediate Force Capabilities Office.
On June 1, 2020, the DoD lead military police officer for the National Capital Region asked whether the D.C. National Guard had an Active Denial System available during the Lafayette Square clearing, per National Guard Major Adam DeMarco's whistleblower account; no such device was used. PBS NewsHour.

This post is informational and journalistic, drawn from public records, and is not legal, financial, or policy advice; dollar figures are attributed to their fiscal year as reported.

The Heat Ray That Never Fired: Inside the DoD Non-Lethal Weapons Program