This United States Army manual, Army Techniques Publication ATP 6-02.53 Techniques for Tactical Radio Operations February 2020, is the primary doctrine publication for tactical radios and tactical radio networks. This publication describes the non-prescriptive methods to perform missions, functions, and tasks for the employment of tactical radio networks to support every warfighting function and enable command and control of Army forces. This publication includes doctrine on new communications and networking capabilities. It addresses the employment of interdependent and interoperable enterprise and tactical systems in the tactical network. This publication supports the Army's goal to provide an integrated network that is interoperable across all mission environments during all phases of operations. This publication implements North Atlantic Treaty Organization standardization agreement 4538, Technical Standards for an Automatic Radio Control System for High Frequency Communication Links.