Vladimir Putin has alarmed British security chiefs with his plans to recommission an entire fleet of undetectable torpedo firing submarines which could pose a "significant" threat to the UK.
Putin's plan to recommission the undetectable and stealth-like Piranha vessels, which were developed during the Cold War but later axed before they hit the water, has UK officials concerned as to what exactly Putin's intentions are in redeveloping the Piranhas.
The undetectable submarines, which can lay mines and fire torpedoes, are part of Putin's $350 million military spending spree.
The Daily Express reports that a British source explained that Vladimir Putin is keen to finance the development of the Piranhas because the Russian President believes submarines are highly effective when it comes to Putin getting what Putin wants.
"Putin is breathing life into many old programmes and thinks subs are an effective way of getting what he wants militarily. The Piranhas can come extremely close to land and are almost impossible to detect as they are so small.This new threat from Putin comes less than a month after British defenses received a $4 billion boost to counter the perpetual threat from Russian armed forces.
"They could represent a significant threat to Britain if despatched here."
A senior defense source said, because they have no means of monitoring their activity, Russian submarines to date have been detected purely by chance.
"There have been several occasions in the last five years where foreign submarines have entered British water.In April of this year, a fishing boat almost sank off the Isle of Man when a submarine became tangled in its net, and a trawler off the coast of Scotland was involved in a similar incident.
"They have been detected more by chance than anything else because we have no means of monitoring their activity."
The news that Putin is recommissioning the Piranha submarines comes at a time when Greece's dispute with its creditors has grown increasingly ugly, while the relationship between Moscow and Athens grows ever cozier.
Ever since Greece voted a resounding "No" to a bailout plan from the European Union, Putin has been watching Greece's fate with interest from the sidelines. However, it's doubtful if Russia is in a position to offer Greece the economic aid it needs.
Observers have noted that, in return for handing Greece an economic lifeline, Putin could demand a scattering off strategic Russian naval bases in the Mediterranean,.
According to James Nixey, from London-based Chatham House, Putin and Moscow have no long-term strategy in regard to Greece.
"What Russia really has in mind over Greece is simply to 'gather your rosebuds while you may.' It will exploit any areas of weakness that it can.[Picture By Harry Engels/Getty Images]
"Moscow does not appear to have a long-term strategy on Greece but has instead seized on Europe's travails with a malevolent opportunism.
"Putin's Russia is opportunistic, but it is not omnipotent."