scope:

Purpose.

In accordance with (IAW) references a through s, this instruction establishes policy to achieve and maintain interoperability among those Department of Defense (DoD) information technology (IT) and national security systems (NSS) that implement tactical data links (TDL). Policies outlined in this instruction are focused on achieving interoperability through the standardization of message protocols, format, content, implementation, and documentation. IAW reference a, this instruction establishes procedures for the development, review, and validation of IT and NSS TDL message standards based on compatibility, interoperability, and integration requirements. It also establishes procedures for ensuring compliance through joint interoperability certification and program review. As directed by reference b, it establishes procedures for the validation of interface standards and compatibility requirements for TDL message protocol format and content. Applicable TDL-related standards are found in Enclosure C.