The Brooklyn-class was a group of heavy cruisers built for the United States Navy during the 1930s. These ships were designed to provide a balance of firepower, armor, and speed, making them effective in both offensive and defensive operations. The class included notable ships like the USS Brooklyn and USS Phoenix, which played significant roles in World War II. The Brooklyn-class cruisers were equipped with twelve 6-inch guns and had a displacement of around 10,000 tons. Their design allowed for a high degree of maneuverability, which was crucial during naval engagements. These ships served in various theaters of the war, contributing to the U.S. Navy's efforts in the Pacific and Atlantic.