Need card #473 · Relevance High · Status New

Defusing WWII unexploded bombs poses safety and logistical challenges

Updated 10/15/2026, 22:04:39

Problem

Unexploded ordnance from World War II remains a hidden danger in urban and coastal areas, requiring complex, risky disposal operations that can cause widespread damage and require specialized expertise.

Pain points

Questions to verify

Evidence

quote · @Anonymous
And the mother of all unexploded WW2 ordance is the SS Richard Montgomery.1.4kt of explosive sat in the Thames Eastury, 35 miles down river from central London, that nobody knows how to get rid of."it was determined that if the wreck of Richard Montgomery exploded, it would throw a 300 metres (980 feet)-wide column of water and debris nearly 3,000 metres (9,800 feet) into the air and generate a wave 5 metres (16 feet) high. Almost every window in Sheerness (population circa 20,000) would be broken and buildings would be damaged by the blast.
quote · @Anonymous
My aunt lives in Hamm, Germany. It used to be a massive rail road hub and allies bombed the f* out it. The old church sitting middle of the town still carries the scars of bombing. Few years ago, during the renovation of the shopping mall, construction crew found unexploded American 500 lbs bomb in the ground. City had to evacuate a lot of people. Throughout years, there were multiple other incidents with UXO in Hamm, that I can recall. I still wonder how the 500 pound bomb been sitting in the ground so many years, right in the center of the town, right by the shopping mall and no one noticed.
quote · @Anonymous
France has a much worse disposal problem. They're still cleaning up unexploded WWI artillery shells. That's been going on steadily for a century, and there are still large keep-out zones. Estimated completion in another century.
quote · @Anonymous
Bomb disposal is a dangerous job but, Hambley told me: “Knowledge dispels fear.”In some places bomb disposal technicians are only allowed on the job for a limited time. Then they move to the "back seat" and consult or assist from far away. Because with years of knowledge and experience comes the kind of confidence that doesn't apply well to unknown devices rusting in the ground for close to a century. Misplaced confidence is dangerous.Does it work the same way in the UK?

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