In the foreground on the sand are rolls of mesh 'Sommerfeld Tracking' (named after German expatriate engineer, Kurt Joachim Sommerfeld), used to strengthen weak and viscous surfaces.
In the center of the frame is an American Sherman M-10 tank destroyer named "Bessie" equipped with special boxes that protected the engine from the ingress of water, also visible is a Caterpillar D-8 bulldozer, used by the allies in landings for clearing the beaches.
The photo also shows two landing craft LCT class numbered 27 and 53.
At the back, is a large tank landing ship LST-325, which subsequently was involved in transporting troops and equipment onto the Normandy beaches.
After the war, she was sold to Greece and served in it's Navy until 1999. In 2000 LST 325 was bought back by the United States and now serves as a memorial to ships of this class in Evansville Indiana.
Colourised by Paul Reynolds.
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On the beach
Six children and a soldier contemplate the activity on the Blackpool Sands ranges below. The photo shows units engaged in practicing the unloading of LCT's and LST's

American troops landing on Slapton Sands in England during rehearsals for the invasion of Normandy. April 1944
(German: Schnellboot, or S-Boot, meaning "fast boat") of the Kriegsmarine during World War II.
An E-boat flying the white flag, after surrender at the coastal forces base HMS Beehive, Felixstowe, May 1945
E-boat was the Western Allies' designation for the fast attack craft. The most popular, the S-100 class, were very seaworthy,[1] heavily armed and capable of sustaining 43.5 knots (80.6 km/h; 50.1 mph), briefly accelerating to 48 knots (89 km/h; 55 mph).
Coloured By Colour by RJM

USS LST-289 enters Dartmouth Harbour, England, after being torpedoed by German E-Boats during invasion rehearsal operations off Slapton Sands, England, on 28 April 1944.