What is the role of the Master-at-Arms (MA) in a naval ship's security?

The role of the Master-at-Arms (MA) is crucial in maintaining the safety and security of a naval ship. They are responsible for enforcing laws and regulations, which includes upholding military discipline among personnel. The MA also plays a key role in maintaining order onboard, ensuring that protocols are followed to create a safe environment for all. Security for personnel and assets is another vital aspect of their responsibilities; they implement measures to protect the crew, equipment, and classified information from potential harm or breaches. This multifaceted role not only involves direct law enforcement actions but also encompasses broader security oversight, making them integral to the overall operational integrity of the ship.

The other roles mentioned in the options do not align with the MA's responsibilities. Communication systems management, helming the ship during deployments, and conducting intelligence operations are tasks typically assigned to other specific positions within the ship's hierarchy, such as radiomen, navigation officers, or intelligence officers. Hence, the focus on security and law enforcement highlights the true essence of the Master-at-Arms' role in the naval setting.