Which document outlines the Antiterrorism instruction?

The correct answer identifies NTTP 3-07.2.1 as the document that outlines the Antiterrorism instruction. This document, known as the Naval Tactical Publication, serves as a guide specifically focused on tactics, techniques, and procedures for antiterrorism efforts within the Navy. It provides comprehensive information and instructions vital for Navy personnel to recognize, prepare for, and respond effectively to terrorist threats.

NTTP 3-07.2.1 is designed to enhance awareness and provide a structured approach to understanding the intricacies of antiterrorism measures and the responsibilities of service members in various operational environments. It also aligns with the broader mission of maintaining safety and security in naval operations.

Other documents listed, while relevant to overall military operations and safety, do not specifically focus on the antiterrorism instruction. Therefore, they do not hold the same authoritative weight regarding antiterrorism strategies and practices.