According to the regulations, all watch standers must be qualified in weapons in accordance with which instruction?

The correct choice is OPNAVINST 3591.14 (series), which outlines the requirements for weapons qualifications for watch standers. This instruction specifically addresses the standards and procedures for individuals tasked with providing security and enforcement of regulations aboard naval installations and ships. It ensures that all personnel who have a role in security operations are trained and proficient in the use of firearms, which is essential for maintaining safety and effectiveness in their duties.

This instruction covers a range of critical aspects, including training requirements, qualification processes, and requalification timelines. It emphasizes the importance of accountability and readiness, ensuring that watch standers possess the necessary skills to respond appropriately in various situations they might encounter while on duty.

Understanding the proper instruction is crucial for ensuring compliance with naval regulations regarding armament and security operations, making this an essential part of the training for anyone in a security-related role.