Lithuania Fortifies Border with Russia Using “Dragon’s Teeth” Obstacles

Written by Asger Risom

Jan.27 - 2025 8:30 PM CET

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Security measures include tank-blocking structures and bridge mining

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According to Wirtualna Polska, Lithuania is ramping up its border defenses with Russia by deploying a large number of “dragon’s teeth”—pyramid-shaped concrete structures designed to stop tanks.

In addition, Lithuanian authorities plan to mine key bridges leading to the Russian exclave of Kaliningrad to hinder potential military advances.

NBC News reports that Lithuania has already acquired warehouses full of these defensive obstacles and is actively implementing fortifications along its border with Russia.

Dragon’s teeth: A historical and modern defense strategy

The use of “dragon’s teeth” dates back to World War II, when they were widely employed to block enemy tanks and other heavy military equipment.

These obstacles, typically standing 90–120 centimeters tall, are designed to impede the movement of tracked vehicles, such as tanks, which have low ground clearance.

As reported by Wirtualna Polska, their effectiveness has been demonstrated in the ongoing war in Ukraine, where they are being used extensively to defend against Russian advances.

Baltic nations bolster defenses amid rising tensions

Lithuania's border fortification efforts are part of a broader strategy by Baltic states to enhance security in the region. Latvia and Estonia are also taking similar measures, reinforcing their borders in response to potential threats.

Mining bridges and securing key infrastructure are seen as critical strategies to delay enemy advances, as evidenced by Ukraine’s repeated attacks on the strategically important Crimean bridge.

Poland has also taken significant steps to strengthen its borders with Belarus and the Kaliningrad region by constructing walls and electronic barriers.

Increased defense spending and NATO cooperation

Lithuania has been one of NATO's most proactive members in response to Russia's aggression against Ukraine. As part of its defense strategy, the country plans to increase military spending to 5-6% of GDP between 2026 and 2030—the highest percentage within NATO.

Additionally, NATO Secretary General Mark Rutte recently announced the formation of a Baltic Guard to enhance security in the Baltic Sea. The new force will include frigates, patrol aircraft, and other military assets to ensure the region's stability.