Bomb disposal team dispatched to Cornish beach to assess potential unexploded ordnance

A suspected WWII anti-shipping mine was discovered on a beach in north Cornwall on Saturday, prompting an immediate response from the Coast Guard. Explosive Ordnance Disposal (EOD) experts from the Royal Navy were called to the scene to investigate and ensure public safety.

Upon inspection, it was determined that the object in question was a harmless training mine, previously identified as such several years ago. Despite this, the Bomb Squad’s response highlights the serious potential risks posed by finding an anti-shipping mine, and the necessary precautions that must be taken in any suspected UXO (unexploded ordnance) situation.

Why is a WWII anti-shipping mine considered dangerous?

Anti-shipping mines, particularly those from WWII, are often encountered on beaches, having been lost or abandoned during or after the war. These mines were designed to target naval vessels and merchant ships, making them highly hazardous if discovered in coastal areas.

Although most historic sea mines are found on remote beaches or sparsely populated areas, they can still present significant risks, especially if they wash up near critical infrastructure such as ports or harbours. For example, when a live German sea mine was found on a Sussex beach last month, the disruption was minimal due to its location and controlled removal. However, if mines are discovered near densely populated regions or key infrastructure, the consequences can be far more severe.

In 2015, two mines discovered near the port of Calais caused major disruption, including the closure of the port and the cancellation of several ferry crossings. This situation highlights how even a single mine can disrupt daily operations, trade, and travel.

Why did the Royal Navy bomb disposal team still respond?

Even though the Coast Guard had confirmed that the discovered mine was a training device and not a live ordnance, a Bomb Squad team was dispatched to assess the situation. The response underscores the critical importance of safety and thorough investigation when dealing with any suspected UXO, particularly something of this size and nature.

When dealing with suspected live munitions, you cannot be too careful. Had the object been a live air-delivered mine, the potential hazard would have been extremely significant. WWII British air-delivered mines were notably large, measuring approximately 9 feet by 17 inches and weighing around 680kg. A significant portion of that weight, about 340kg, consisted of highly dangerous explosive material like amatol or minol, both powerful explosives used during the war.

What are the risks of WWII mines today?

The potential risk posed by WWII-era mines is still relevant today, even though they have been buried or submerged for many years. As coastal erosion or other natural forces work to expose these munitions, the danger increases. Whether an anti-shipping mine or an air-delivered bomb, the destructive force of WWII ordnance is immense, and the materials inside these devices have not lost their potency over time.

Although rare, the discovery of live WWII sea mines can present a major hazard to coastal communities and industries. Professional UXO risk management and disposal are essential to mitigate these risks effectively.

Brimstone UXO disposal services: safeguarding your project

At Brimstone UXO, we specialise in nationwide UXO disposal services, providing professional and efficient solutions for both high and low-order demolition of explosive ordnance. Our experienced team is equipped to handle all types of explosive contamination in even the most complex environments. Whether dealing with historic munitions like WWII air-delivered mines or more modern UXO, our experts ensure that risks are minimised, and your site is made safe.

If you have concerns about potential UXO risks on your site or are in need of professional disposal services, Brimstone is here to help. Reach out to our team for expert advice and tailored solutions to mitigate UXO hazards.

Learn more about our UXO disposal services on our website.

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