Underwater Drone

Iran’s Stealth Drone Threatens Strait of Hormuz and Global Shipping

The introduction of Iran’s Azhdar stealth underwater drone poses a significant threat to global maritime security, particularly in vital chokepoints like the Strait of Hormuz. This electrically powered, nearly silent drone boasts extended endurance and an asymmetric cost structure, challenging the dominance of traditional naval fleets. Its operational concept reflects a broader shift in naval warfare towards quiet electric propulsion, autonomous targeting, and swarm deployments, potentially eroding the security of global shipping lanes. The Azhdar’s stealth characteristics and sustained patrol capabilities could allow relatively inexpensive systems to disrupt technologically superior naval forces in confined waters.

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Ukraine’s Sea Drone: A Threat to Russia’s Crimean Bridge?

At the Defense Tech Valley 2025 exhibition in Lviv, Ukraine publicly displayed its TOLOKA underwater drone, a platform with three variants designed to strike targets up to 2,000 kilometers away. The TLK-150 model is designed for stealth, while the larger TLK-400 and TLK-1000 offer increased range and payload capacity. The unveiling of TOLOKA aligns with Ukraine’s focus on precision strikes, particularly against Russian infrastructure, and may have even been involved in attacks on the Crimean Bridge. This development underscores Ukraine’s ongoing expansion of its naval drone fleet, which has already proven effective in targeting Russian assets in the Black Sea.

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