I hunted Russian submarines: this is how to beat Putin's navy

We surface a story that’s been making waves. A Russian diesel-electric submarine, The Novorossiysk, is being trailed through the North Sea by NATO ships, sparking headlines about a “crippled” vessel and “embarrassment for Moscow.” But is it really in trouble? Or are we, once again, jumping to Cold War-style conclusions?

Yes, it leaked fuel last month. Boats do that. It’s now heading home. They do that too. It’s been politely shadowed by eleven ships from six nations—Britain, France, the Dutch—all watching closely, all behaving exactly as they should. And it’s on the surface? Perfectly normal for a diesel-electric sub. These boats run on a mix of diesel and battery power—surfacing to recharge before diving again.

The truth is, diesel-electric submarines are both silent hunters and noisy neighbours. On battery, they’re whisper quiet; on diesel, they roar like thunder.

So, could The Novorossiysk simply be recharging, not retreating? Is NATO flexing its muscles for show, rather than necessity? And in an age of nuclear subs and high-tech stealth—are diesel-electrics just relics running on borrowed time? Former Royal Navy commander Tom Sharpe dives deep into the story.

https://www.telegraph.co.uk/news/2025/10/15/russia-navy-putin-mediterranean-naval-threat/

https://www.telegraph.co.uk/news/2025/10/14/broken-russian-submarine-novorossiysk-channel-north-sea-tug/

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