Holding the small island of Malta, the British Empire’s strategic centerpiece in the Mediterranean Sea, was critical to the Allied cause in World War II. Taking it was essential for Axis victory. German forces laid siege to the island beginning in June 1940—it soon became the most bombed place on Earth. By August 1942, with supplies running out, Malta was in dire need of relief. In what was then the largest Royal Navy force yet assembled in the war, two battleships, three aircraft carriers, seven light cruisers, 32 destroyers and a fleet of transports were mustered from far-flung theaters. This day-by-day account of Operation Pedestal chronicles the planning, execution and climactic battle that saw only five of 14 merchant ships make it to Valletta, all but one heavily damaged.