How did the Ranger attack on Pointe du Hoc contribute to the success of the Omaha Beach landings?

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D-Day: Omaha Beach — Omaha Beach U.S. infantrymen wading from their landing craft toward Omaha Beach on D-Day, June 6, 1944.

The attack on Pointe du Hoc was considered critical to the success of the Normandy Invasion because the promontory housed German artillery capable of firing upon both Omaha Beach and Utah Beach. Allied commanders identified the neutralization of these 155-mm guns as essential to the survival of the landing forces.1

While the U.S. Army Rangers discovered that the guns had been moved from their concrete casemates, they successfully located and destroyed the weapons inland using thermite grenades. By cutting the road behind the Pointe and disabling the artillery, the Rangers prevented the German forces from using these long-range guns to devastate the troops struggling on the beaches.1

Furthermore, the Ranger units that were unable to signal their success at the cliffs landed at Omaha Beach instead. Though they were unable to proceed to the Pointe as originally planned, their presence and participation in the desperate fighting at Omaha served as a key factor in the eventual success of the landings there.1