Nordic Air Defence's Kreuger 100, a compact, high-speed interceptor
Nordic Air Defence’s Kreuger 100, a compact, high-speed interceptor. Photo: Nordic Air Defence/provided
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The defense landscape is shifting fast, with startups driving the future of military technology.

In this series, NextGen Defense takes a closer look at the companies pushing the boundaries with innovative solutions to today’s security challenges.

No fluff, no sales pitch — just a deep dive into the innovations shaping the future of defense.

In this episode, we sit down with Karl Rosander, CEO of Nordic Air Defence, to explore how Europe’s defense landscape is shifting, the vulnerabilities Sweden faces, and his company’s approach to counter-drone technology.

Nordic Air Defense CEO Karl Rosander
Meet Karl Rosander, CEO of Swedish defense startup Nordic Air Defence. Photo: provided

How Ukraine Changed Europe’s Defense Perception

Before the war in Ukraine, Rosander explained, entering the defense sector in Europe was nearly impossible for entrepreneurs.

“It was worse than the stigma around the adult industry,” he said, recalling the backlash Spotify founder Daniel Ek faced in 2021 for investing in German defense company Helsing.

But the war changed everything. “Now, if you run a defense company, people want to listen. You get a hug if you’re doing it for democracy.”

The shift in perception was not just ideological — it was driven by urgent threats. Sweden, despite its technological prowess, is alarmingly underprepared for aerial threats.

“We have an air defense system that covers only five percent of Sweden’s surface, and only for military infrastructure,” Rosander warned.

Meanwhile, Russian drone incursions are far more frequent than publicly reported, targeting critical infrastructure such as airports and power plants.

Recent incidents, such as two Chinese nationals caught operating drones over Swedish government buildings, highlight the growing vulnerabilities.

New Era of Defense Technology

Seeking to contribute to Europe’s defense capabilities, Rosander co-founded Nordic Air Defence with colleagues Rudolf Nordström, Oskar Heiwe, and Gustav Wiberg, who proposed an alternative method for countering drones.

To assess feasibility, they consulted physicists from Sweden’s defense research agency. “After months of calculations and simulations, we confirmed it would work,” Rosander said.

The company moved quickly from concept to execution. “The day after we registered Nordic Air Defence, tech media outlets were on it. I told them, ‘Give me three days; we’ll launch a website,’” Rosander recalled.

What began as a confidential project is now secured by three pending patents.

The Kreuger 100 is “ten times cheaper than comparable systems because we replace expensive hardware with software and intelligent aerodynamics,” Rosander said. Photo: provided

Future of Warfare: Cheap, Scalable, and Effective

One of the challenges in modern warfare is the effectiveness of inexpensive drones against costly defense systems.

“Ninety percent of expensive military assets are destroyed by low-cost drones,” Rosander pointed out. This has raised questions about the sustainability of traditional defense strategies, which often rely on expensive systems to counter low-cost threats.

Existing countermeasures, such as jamming technologies, also have limitations.

“Autonomous drones and fiber-optic-controlled drones can’t be jammed,” Rosander explained, highlighting the need for alternative solutions.

Introducing the Kreuger 100

Nordic Air Defence’s answer is the Kreuger 100, a compact, high-speed interceptor designed to neutralize drones before they strike.

Unlike traditional systems, it prioritizes affordability by replacing expensive hardware with software and intelligent aerodynamics.

The device utilizes pulsed propulsion and controlled aerodynamics to maneuver precisely toward its target. For civil applications, it reaches speeds of up to 270 kilometers (168 miles) per hour, while for military use, it can achieve significantly higher speeds.

“We test this every day indoors but we are also doing flight tests outside,” Rosander said, adding that initial testing had to be conducted in secrecy.

The system is being developed for military, law enforcement, and critical infrastructure protection applications.

A drone simulates dropping a payload onto an improvised explosive device at Minot Air Force Base, North Dakota
A drone simulates dropping a payload onto an improvised explosive device at Minot Air Force Base, North Dakota. Photo: Airman 1st Class Caleb S. Kimmell/US Air Force

Adapting to Modern Threats

Beyond direct interception, Nordic Air Defence sees broader applications for its technology, including potential defenses against Shahed drones targeting Ukrainian infrastructure.

“Shaheds come in at mid-altitude, around 2,000 meters. We can take them down before they reach their targets,” Rosander explained.

Looking ahead, he envisions portable defense systems that soldiers could carry in backpacks for rapid drone defense.

“The most dangerous drones on the battlefield aren’t the first-person drones dropping bombs; they’re the ones that transmit GPS coordinates for artillery strikes. We need fast, affordable ways to neutralize them.”

Future of Nordic Air Defence

Rosander sees potential for the company to expand its work beyond counter-drone systems, exploring defenses against a wider range of aerial threats.

A key part of this strategy is sourcing components domestically to minimize reliance on external supply chains — a growing concern amid geopolitical uncertainties.

Rethinking Civilian and Governmental Drone Defense

With drones increasingly used in conflict zones and beyond, Rosander believes critical infrastructure must take an air-centric approach to security.

Law enforcement and security firms currently lack sufficient means to tackle this evolving threat, he said.

He advocates for more proactive investment in counter-drone solutions, emphasizing the need for rapid deployment capabilities.

At present, he argues, governments acknowledge the drone threat but remain slow to act.

He believes that law enforcement, security firms, and military units should be given more authority to neutralize hostile drones, particularly in peacetime settings.

Kreuger 100 interceptor
Kreuger 100 interceptor. Photo: provided

Sweden’s Role in Drone Innovation

Despite these challenges, Rosander noted that Sweden has been proactively embracing drone technology, with law enforcement and the military rapidly developing and procuring unmanned aircraft systems.

The Swedish government has partnered with the defense industry to develop a drone-swarm technology platform at record speed — a clear sign that lessons from Ukraine are shaping future strategies.

For Nordic Air Defence, the goal remains clear: scalable, effective, and affordable counter-drone solutions for the modern battlefield.

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