The Rolls-Royce Eagle was a prominent aircraft engine developed in the early 20th century. Introduced in 1915, it was a V12 liquid-cooled engine that played a crucial role in World War I aviation. The Eagle was known for its reliability and power, making it a popular choice for various military aircraft. This engine was used in several notable planes, including the Sopwith Camel and the Bristol F.2 Fighter. Its design and performance set a standard for future aircraft engines, contributing to the evolution of aviation technology in the years that followed.