|Higher Rank:||Assistant Chief Operations Officer|
|Command:||Warrant Officer or Enlisted|
|[ Source ]|
Each vessel and base has one Warrant Officer (or Chief Warrant Officer) who holds the position of Boatswain. The Boatswain (pronounced and also written "Bosun" or "Bos'n") trains and supervises personnel (including both the ship's company or base personnel as well as passengers or vessels) in general ship and base operations, repairs, and protocols; maintains duty assignments for all Operations personnel; sets the agenda for instruction in general ship and base operations; supervises auxiliary and utility service personnel and daily ship or base maintenance; coordinates all personnel cross-trained in damage control operations and supervises damage control and emergency operations; may assume any Bridge or Operations role as required; and is qualified to temporarily act at Operations if so ordered.
The Boatswain reports to the Chief Operations Officer.