What is the function of tactical data link (TDL) systems?

Tactical data link (TDL) systems serve the critical function of enabling the exchange of real-time combat information among naval forces, including details about both enemy and friendly units. This system enhances situational awareness, ensuring that commanders and operators have access to comprehensive and timely data that is essential for decision-making in combat scenarios. TDL systems facilitate communication regarding threat locations, force movements, and operational capabilities, contributing significantly to inter-service and joint operations where coordination and response times can be vital.

The other options describe functions that are important in their respective contexts but do not align with the primary purpose of TDL systems. Navigation and route planning is more suited to electronic navigation systems, monitoring maritime traffic relates to vessel traffic services, and managing supply chain logistics pertains to logistical support systems within naval operations. Thus, the focus of TDL systems on combat information sharing distinguishes it as the effective answer to the question.