What is one common role of maritime patrol aircraft?

Maritime patrol aircraft play a crucial role in anti-submarine warfare. These aircraft are specifically designed to detect and track submarines, which are often difficult to find due to their stealthy nature. They utilize advanced sonar systems and surveillance technologies, enabling them to cover large areas of ocean efficiently and effectively.

In addition to their primary focus on anti-submarine tasks, these patrol aircraft may also conduct reconnaissance missions and gather intelligence on naval activities, enhancing overall maritime security. Their ability to operate over vast maritime environments and their integration with naval operations emphasize their importance in national defense strategies related to underwater threats.

The other choices represent roles that are typically performed by different types of aircraft or military assets not specialized in maritime operations. For instance, while air-to-air combat is usually associated with fighter jets, air-to-ground support aligns more with attack aircraft or bombers, and supply delivery is a function best suited to transport aircraft.