The Liberty V-12 Engine is a powerful aircraft engine developed during World War I. It features a V-shaped configuration with twelve cylinders, which allows for greater power output and efficiency. This engine was primarily used in military aircraft, contributing significantly to the war effort. Designed by the United States, the Liberty V-12 became a symbol of American engineering prowess. Its innovative design and reliability made it a popular choice for various aircraft, including the Curtiss JN-4 and De Havilland DH-4. The engine's legacy continues to influence modern aviation technology.