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A French soldier with an anti-drone rifle. Photo: Chesnot/Getty

Weapons that down threatening drones — by scrambling their electronics or just plain shooting them out of the sky — are flooding the market, even though most are still illegal in the U.S.

What's new: Just in the last year, hundreds of new products were released, in a scramble to head off an urgent unsolved menace. But off-the-shelf drones are evolving apace, threatening to make a thorny problem even worse.

The big picture: As I wrote this summer, plenty of roadblocks still lie ahead for the counter-drone industry. Fundamentally, many anti-drone systems don't work well — and even if they did, most are illegal in the U.S., except if used by federal agencies.

Driving the news: A new report from the Center for the Study of the Drone at Bard College is a comprehensive census of counter-drone technology.

  • Altogether, Bard researchers found 537 systems for sale — hundreds more than they found in last year's sweep.
  • More than 350 of these products are billed for intercepting and disabling drones; the rest simply detect them.
  • Radio jamming is the most popular method for taking down drones. But other creative approaches involve lasers, nets or even a "sacrificial collision drone."

The report raises two new problems. One is the limited range of many detection systems.

  • "The response time for successfully shooting down drones is incredibly short if the drone is even moderately fast," says the report's author, Arthur Holland Michel.
  • Even with a 1 km detection range — which may seem far — several steps remain after an incoming drone is detected: a second check, a decision to intercept, a scramble to ready the relevant weapon…
  • "By that time, the drone is right over your head," Michel says. "You don't hear this discussed in the marketing materials."

The second problem is the rapid progress of consumer drones, which is creating a "vicious feedback loop," Michel says. Advances that make the devices safer can also make them impervious to some counter-drone systems.

The bottom line: "There's nothing on the horizon that will cut the line on this [cycle]," says Michel. "There's nothing that just ends the game. … Until there is, it's going to be like this: a game of cat and mouse."

Go deeper

Updated 55 mins ago - Politics & Policy

Dems fear supply-chain blame

Illustration: Aïda Amer/Axios

As supply-chain kinks drive up prices and disrupt holiday shopping, Democrats are scrambling to show action and deflect blame.

Why it matters: With their party controlling both the White House and Capitol, vulnerable Democrats worry supply-chain snafus will hurt them in midterms.

58 mins ago - World

Scoop: Germany tells Congress Nord Stream 2 sanctions would be "victory for Putin"

Photo: Mikhail Svetlov/Getty Images

The German government has urged members of Congress not to sanction the Nord Stream 2 pipeline, arguing that doing so will "weaken" U.S. credibility and "ultimately damage transatlantic unity," according to documents obtained by Axios.

Why it matters: At a time when roughly 100,000 Russian troops are massing at its border, Ukraine views Nord Stream 2 as an existential threat to its security. The pipeline would circumvent Ukrainian transit infrastructure and deliver Russian gas directly to Germany, eliminating one of the last deterrents Ukraine has against an invasion.

Bryan Walsh, author of Future
2 hours ago - Politics & Policy

The benefits of giving cash directly on Giving Tuesday

Illustration: Aïda Amer/Axios

Direct cash giving — channeling donations to charities that dispense money, rather than goods or services — is emerging as the gold standard in anti-poverty philanthropy.

Why it matters: Giving Tuesday is this week, and the money donated that day can do the most good when it goes as directly as possible to those in the most need.

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