The 3-1/2 years of World War II that started with the Japanese bombing of Pearl Harbor in December 1941 and ended with the surrender of Germany and Japan in 1945.
In The 3-1/2 years of World War II The U.S. produced :
22 aircraft carriers, 8 battleships, 48 cruisers,349 destroyers, 420 destroyer escorts,
203 submarines, 34 million tons of merchant ships, 100,000 fighter aircraft,
98,000 bombers, 24,000 transport aircraft, 58,000 training aircraft, 93,000 tanks,
257,000 pieces of artillery
105,000 mortars, 3,000,000 machine guns, and 2,500,000 military trucks.
We put 16.1 million men in uniform in the various armed services and invaded Africa, invaded Sicily and Italy.
Won the battle for the Atlantic planned and executed D-Day
marched across the Pacific and Europe developed the atomic bomb and ultimately conquered Japan and Germany.
Pictures and some Info courtesy of Wikipedia.com