Final answer:
The Surveillance Weapons Coordination NPG (SWC NPG) is used to exchange surveillance data on Link 16, enabling real-time communication and coordination among participating entities.
Step-by-step explanation:
The Network Participation Group (NPG) used to exchange surveillance data on Link 16 is the Surveillance Weapons Coordination NPG (SWC NPG). This NPG allows for the exchange of surveillance information such as target tracks, sensor coverage areas, and threat data.
Link 16 is a tactical data link used in military operations to facilitate the exchange of information between different platforms. It enables real-time communication and coordination among participating entities.
For example, aircraft, ground stations, and ships can use Link 16 to share surveillance data, improving situational awareness and enhancing mission effectiveness.