The enemy never seriously attempted to strike at American bases or lifelines beyond Korea, vulnerable as the bases continued to be. An air or sea strike—and both planes and submarines were available in quantity within the Communist bloc—might have wreaked havoc with American reinforcement of Korea, but it would also have exposed the enemy to even more serious retaliation. During the fighting, both air and sea forces continued to operate from their own “privileged sanctuaries” on both sides.
