We’ll lose to Russia without more drones and warships, navy chief warns

Screen grab of General Sir Gwyn Jenkins, First Sea Lord, Ministry of Defence, appearing before the Defence Committee, for a hearing on Women in the Armed Forces, at the House of Commons, London. Picture date: Tuesday April 14, 2026. PA Photo. Photo credit should read: House of Commons/UK Parliament/PA Wire
General Sir Gwyn Jenkins said Russia is ‘probing Britain for weakness’ (Picture: House of Commons/UK Parliament/PA)

Britain must become a naval superpower once again or risk defeat at sea against Vladimir Putin’s fleet, the head of the Navy has warned.

General Sir Gwyn Jenkins said Russia is ‘probing Britain for weakness’ and may seek to use the UK’s own war tactics against it by targeting vital underwater cables on day one of any future conflict.

In a private speech yesterday, the First Sea Lord said we must ‘strengthen our warfighting readiness’ by urgently building more warships and drones to guard the Atlantic.

Sir Gwyn said: ‘The greatest threat to our security today is Russia.

‘Russia retains advanced submarines that are increasingly difficult to track, long-range precision weapons, and specialist systems designed to operate deep underwater.’

The Navy is having to deploy two warships a week to track Moscow’s vessels, which he said are ‘probing, testing and mapping’ the sea floor for weaknesses.

Sir Gwyn said: ‘Critical undersea infrastructure is now part of the strategic landscape. On the day that the UK declared war on Germany, the allies severed its transatlantic telegraph cables.

‘I pray it does not happen, but were we to go to war again, we know our enemies will try to use the same playbook against us.’

Royal Navy warships and helicopters spent 21 days on operations monitoring Russian activity in UK waters and the North Atlantic throughout July ? a 25% increase in the last year, new figures released today show. HMS Somerset, HMS Tyne, HMS Mersey, and HMS Severn were all dispatched, alongside Wildcat helicopters from 815 Naval Air Squadron and Merlin submarine hunting aircraft, to report on the movements of warships and submarines throughout July. Russian frigate RFN Neustrashimy has repeatedly transited the UK?s area of responsibility to escort shadow fleet tankers within recognised traffic lanes, using up valuable operational capacity to constantly guard cargo. Overall, Royal Navy activations to monitor Russian activity is up 25% across the first seven months of the year compared to 2025. It comes after the UK interdicted a sanctioned shadow fleet oil tanker, Smyrtos, in the English Channel in June. The UK is a leader in tackling the shadow fleet, having already sanctioned more than 500 vessels, and Russia?s oil and gas revenues falling by 24% year-on-year in 2025. By disrupting the shadow fleet, the UK and international partners are directly bearing down on the resources sustaining Russia?s aggression in Ukraine and reducing its capacity to threaten security across Europe and beyond. Portsmouth-based HMS Tyne was on duty when Neustrashimy carried out gunnery firings outside of UK and French territorial waters on July 20. HMS Tyne moved to five nautical miles as the Russian warship fired her armaments, continuing to gather intelligence during the incident, observing the fall of shots fired from her weaponry, including around 20 different shots from main 100mm armament and 30mm battery. Lieutenant Commander Sam Fields, Commanding Officer of HMS Tyne said: ?Through sustained presence and close cooperation with allies, HMS Tyne was ideally suited to this task, providing reassurance and monitoring while enabling other Fleet units to continue their operational commitments.? For Type 23 frigate, HMS Somerset, her tasking was part of her four-month deployment monitoring surface and sub-surface activity in the North Atlantic, contributing to the UK?s standing operation to protect Britain?s nuclear deterrent and monitoring potential submarine activity. The Plymouth-based warship ? deployed with a powerful array of underwater sensors and with its embarked Merlin anti-submarine warfare helicopter from 814 Naval Air Squadron ? returned home yesterday (Friday, 7 August) having sailed more than 24,000 nautical miles across the North Atlantic. HMS Somerset?s Commanding Officer, Commander Matt Millyard said: ?This deployment demonstrates exactly what the Royal Navy exists to do, protect the UK and our allies from wherever our interests are threatened. ?I am immensely proud of every single member of the ship?s company for what we have achieved over the past four months. Whether it?s tracking submarines, working alongside NATO allies and the Carrier Strike Group, or maintaining the ship at exceptionally high readiness for so long, their professionalism and spirit has been outstanding. ?It is fantastic to bring the ship home after a highly successful deployment and reunite with our families.? Meanwhile, HMS Severn was twice activated in July to monitor Russian warships, shadowing RFN Admiral Grigorovich as the frigate sailed eastwards from the island of Ushant on the French coast to Dover. Following that, the patrol ship was dispatched on a three-day mission (July 23-26) to intercept and shadow Neustrashimy, taking over monitoring duties in the North Sea from HMS Mersey. Severn kept watch as Neustrashimy escorted shadow fleet tanker MV Vulkan from the Baltic, through the Dover Strait and towards Ushant. Severn and Mersey then handed over again as Neustrashimy made a westward voyage towards Dover once she had completed escorting the Vulkan. Lieutenant Commander Dom Jacobs, Executive Officer in Temporary Command of HMS Severn, said: ?I?m really proud of my ship?s company?s ability to adapt quickly to changes of tasking from Fleet Ready Escort to our training output as the Fleet Navigation Training Ship. ?This shows the versatility of my crew and the other OPVs to deliver a range of tasks demonstrating our continued relevance and operational value.? https://www.royalnavy.mod.uk/
Royal Navy warships and helicopters spent 21 days on operations monitoring Russian activity in UK waters and the North Atlantic throughout July(Picture: Royal Navy)

He added: ‘Sea power not only sustained us during the war. It arguably saved us. Lose the war at sea and you lose the war. That was the warning of Admiral Pound, the First Sea Lord of the day, and it remains true now.

‘If we are to prevail in the Atlantic again, we must strengthen our warfighting readiness and rediscover what it means to be a maritime nation.’

Sir Gwyn’s warning came on the day Prime Minister Andy Burnham met with Nato chief Mark Rutte for the first time in person.

The Prime Minister faces political pressure to show how the UK will meet its Nato commitment of allocating 3.5% of gross domestic product – a measure of the size of the economy – for core defence spending by 2035.

Chancellor John Healey quit as defence secretary in Sir Keir Starmer’s administration in a row over funding, arguing that it was necessary to reach 3% by 2030.

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Mr Rutte used a speech later on Wednesday to praise the UK for being ‘serious about security’.

‘It is leading, along with Nato allies, the push back against Russia’s dangerous and reckless campaign against us,’ Mr Rutte said.

He added: ‘Collectively we will continue to strengthen our ability to deter and defend all allies, against any threat.

‘Nato will not be intimidated by Russia’s campaign of hostile actions. Russia wants to stop us helping Ukraine – but their actions will only lead us to do more for Ukraine. Russia’s actions are a sign of weakness, and a symptom of Putin’s failure in Ukraine.’

Nato allies have agreed to hike spending on security to 5% of economic output by 2035 including the 3.5% target on core defence spending, amid burgeoning threats from Russia and China and demands from Donald Trump’s America that European member states invest more in their own security.

Mr Rutte praised British efforts already under way to hike defence spending, which is expected to rise to around 2.7% of GDP by 2027.

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