During World War II, how many numbered fleets were responsible for operations in the Atlantic Ocean?

• A. One
• B. Two
• C. Three
• D. Four

Answer: (C)

During World War II, the Atlantic theater was large and diverse enough to require multiple command structures to cover different regions and missions. Three numbered fleets were assigned to operations in the Atlantic. The Second Fleet handled the main northern Atlantic operations, including convoy protection and anti-submarine duties along the U.S. East Coast and into the North Atlantic. The Fourth Fleet was responsible for the South Atlantic and Caribbean lanes, focusing on securing sea lines of communication and conducting anti-submarine patrols in those waters. The Sixth Fleet operated in the European-Mediterranean region, which, though centered in the Mediterranean, is part of the broader Atlantic area and supported major campaigns in North Africa, Sicily, and Italy. This arrangement allowed coordinated control over the distinct Atlantic zones—north, south/Caribbean, and European-MMediterranean—while other fleets remained in the Pacific theater.