A "Master-at-Arms" is a military or naval rank responsible for maintaining discipline and order among personnel. This role often includes overseeing security, enforcing regulations, and managing training in weapons and self-defense. The Master-at-Arms plays a crucial part in ensuring that service members are prepared for various situations, including combat and emergencies. In addition to their disciplinary duties, the Master-at-Arms may also handle investigations related to misconduct and ensure that safety protocols are followed. This position is vital for maintaining a professional environment within military units, contributing to overall mission readiness and effectiveness.