U.S. forces loading on ships in England for the invasion of Normandy in World War II

A man with a pair of binoculars observes something in background while on board a United States ship in Portland Head, England. A half track vehicle being loaded on a landing barge. Soldiers and sailors on deck of a landing barge. Three American soldiers clean weapons aboard a landing craft at the pier. Truck is raised to the deck by elevator. M4 High speed tractor with soldiers atop pulls a 90mm Anti-aircraft gun on the dock and boards the landing ship, tank. Sailors and others are seen seated at the bow of the vessel.