|Address||Unnamed Road, Carmarthen SA33 4PB, UK|
|Location type||Headquarters Site|
|Site Ownership and Access Information||The site is now owned by the National Trust and is publicly accessible.|
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The remains of a concrete wall used during trials on the 10th May 1944 to develop methods to breach sea wall in preparation for the invasion of Normandy.
The trials included a Churchill Goat Mk III placing a 1600 ib charge which created a breach in the wall 18 foot wide and a staggered charge of 1764 ib placed by hand which created a breach ranging from 21 – 27 foot wide.
Latitude: 51.738581, Longitude: -4.571793