What is the function of the AN/SPY-1 radar system?

The AN/SPY-1 radar system is primarily designed to detect and track airborne and surface targets in real-time. This capability is critical for naval operations, as it allows for effective surveillance and threat assessment of the surrounding environment. The radar employs advanced technology to provide a 360-degree surveillance capability, which is essential for defending against various threats, including missiles and aircraft.

The radar's ability to continuously monitor and gather data on targets enables a ship's combat system to engage threats promptly and accurately. This tracking capability is integral to situational awareness and helps coordinate actions with other systems aboard the ship. The information gathered by the AN/SPY-1 can also be shared with other naval vessels and command centers, enhancing overall operational effectiveness.

While other radar systems or sensors might focus on different functions, such as weather monitoring or communications, the focus of the AN/SPY-1 is specifically on target detection and tracking, making choice B the most accurate representation of its function.