DOUGLAS A-20’S DROPPING BOMBS on a probable flying bomb launching site. The first flying bombs fell on England during the night of 12–13 June 1944, and the regular attacks began three days later. The smallness, the effective nature of camouflage, the comparative mobility, and the ease with which the V-1 launching sites could be repaired made effective bombing attacks on them difficult.

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PART OF A GERMAN ROCKET INSTALLATION captured by U. S. troops. Many of these flying bomb sites were captured by the Allies as they advanced. Although the air force had destroyed some by bombing, most of the sites were taken by advancing troops and destroyed.

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A PORTION OF THE ARTIFICIAL HARBOR AT OMAHA BEACH. This harbor was in the Saint-Laurent-sur-Mer area of Omaha Beach and was known as “Mulberry A.” Breakwaters were formed by sinking ships and concrete caissons, and steel bridging formed causeways to the beach. The harbor, construction on which began on 7 June 1944, was designed to provide moorings for seven Liberty ships and twelve coasters at one time. By 19 June it was 90 percent completed.

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ENGINEERS LAYING STEEL MATTING on Omaha Beach at the exits of the causeway which extend to the piers of the artificial harbor (top). Vehicles moving from one of the piers over the causeway to the shore (bottom). These floating causeways to the beach rose and fell with the tide. The artificial harbors were constructed to facilitate the unloading of the large numbers of men and material.