U.S. Navy a petty officer responsible for keeping order, maintaining discipline, taking charge of prisoners, etc. on a ship or in a shore station
A petty officer assigned to maintain order.
- (UK, Navy) A warrant officer or chief petty officer responsible for discipline aboard a naval ship.
- (UK, Army) A commissioned officer responsible for overseeing all fitness training in subordinate units.
- (US, Navy) A petty officer responsible for law enforcement, antiterrorism, force protection, and expeditionary warfare.
- An officer in a fraternal or similar organization charged with maintaining order.