This publication, ATP 6-02.72, MCRP 3-40.3A, NTTP 6-02.2, AFTTP 3-2.18, provides a single-source, consolidated reference for tactics, techniques, and procedures in the employment, configuration, and creation of radio nets consisting of voice and data tactical radios. It describes multi-Service tactics, techniques, and procedures (MTTP) for the tactical employment of tactical radios to support warfighters for training and operations across the spectrum of operations. This publication applies to the Army, Navy, Air Force, Marine Corps, and Coast Guard. Also, it may be used by multi-Service and Service components of a joint force to conduct tactical radio training and operations. Procedures herein may be modified to fit specific theater command and control (C2) procedures and allied and foreign national electromagnetic spectrum management requirements. This publication discusses current voice and data tactical radio systems in common use between the services. It describes recent updates to the Single-Channel Ground and Airborne Radio System (SINCGARS), including the Advanced System Improvement Program (ASIP) and the Internet controller (INC). It also reviews the operational procedures for SINCGARS for both analog and digital operations in a joint environment. This manual also describes the Enhanced Position Location Reporting System (EPLRS). This publication standardizes joint operational procedures for SINCGARS and provides an overview of the multiservice applications of EPLRS.