The Rolls-Royce Adour is a turbofan engine designed for military aircraft. It was first introduced in the 1970s and is known for its reliability and efficiency. The engine powers several aircraft, including the BAE Systems Hawk and the McDonnell Douglas T-45 Goshawk, making it a popular choice for training and light attack roles. The Adour engine features a modular design, allowing for easier maintenance and repair. It produces a thrust of approximately 3,000 to 5,000 pounds, depending on the variant. Its performance and adaptability have made it a key component in various air forces around the world.