What is Link 16 best described as in maritime operations?

• A. An anti-drone defense system.
• B. A satellite weather dissemination service.
• C. A manual navigation chart.
• D. A secure tactical data link for near real-time exchange of track data, orders, and status among allied units.

Answer: (D)

Link 16 is a secure, high-capacity tactical data link that lets allied ships, aircraft, and command centers share information in near real time. It provides a common operating picture by exchanging track data (where things are and how they’re moving), orders, and status updates across platforms. The system is designed to be encrypted and jam-resistant, using a time-division approach to allocate transmissions so multiple units can communicate without stepping on each other. This interoperability lets partners coordinate maneuvers, targeting decisions, and tasking with confidence, even in contested environments.

It isn’t a weather service, a manual navigation chart, or an anti-drone defense system, which is why those options don’t fit. Link 16 serves as the secure network backbone for real-time data sharing among allied forces at sea.