Combat Tactical Coordinator (COTAC) Board Practice Test

Link-16 is a high-capacity digital tactical data link that provides secure, real-time information sharing among connected forces. It uses Time Division Multiple Access (TDMA) to let many units talk on the same channel without stepping on each other, which creates a common operating picture with up-to-date track data, status information, weather, and command-and-control data shared across air, ground, and maritime assets. The system is implemented through the Multifunctional Information Distribution System (MIDS) and is often fielded with Joint Tactical Radio System (JTRS) for MIDS, making it software-defined and highly interoperable. This capability is what sets it apart from an HF voice channel, an analog video link, or a satellite-only system, because Link-16 focuses on secure, jam-resistant digital data distribution in near real time across a distributed network of participants.