Which function does the GBU-39 serve in military operations?

The GBU-39 is a type of guided munition specifically designed for precision targeting. As a guided bomb, it utilizes advanced technology to ensure accurate delivery on designated targets. This function is crucial in military operations, particularly in minimizing collateral damage and achieving mission success with high precision. The GBU-39 employs GPS guidance and has capabilities that allow it to be launched from a range of aircraft, making it a versatile asset in air-to-ground operations. In contrast, the other options do not accurately reflect the purpose of the GBU-39; it is not designed for defensive measures, reconnaissance, or transport. Its primary role is effectively engaging targets while ensuring precision and efficiency in strike missions.