What was the duration of the war that was in progress when the USS McAnn first served in the Atlantic Ocean?
World War II World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although related conflicts began earlier. It involved the vast majority of the world's countries—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis. It was the most widespread war in history, and directly involved more than 100 million people from over 30 countries. In a state of total war, the major participants threw their entire economic, industrial, and scientific capabilities behind the war effort, erasing the distinction between civilian and military resources.
Perpetual war Perpetual war, endless war, or a "Forever War", is a lasting state of war with no clear conditions that would lead to its conclusion. These wars are situations of ongoing tension that may escalate at any moment, similar to the Cold War. Today, the concepts are used to critique the United States Armed Forces interventions in foreign nations and the military–industrial complex, or wars with ambiguous enemies such as the War on Terror or the War on Drugs.