The Command department is ultimately responsible for the ship and its crew, and those within the department are responsible for commanding the vessel and representing the interests of Starfleet.
Positions in this Department:
Commanding Officer (CO):
Ultimately responsible for the ship and crew, the Commanding Officer is the most senior officer aboard a vessel. S/he is responsible for carrying out the orders of Starfleet, and for representing both Starfleet and the Federation.
The Captain’s Yeoman is for Petty Officers who wish to continue as administrators. It is technically a non-Mate position. Use of this position is completely at the discretion of the Commanding Officer. File work, and sensitive message transport are but two examples of the Yeoman’s possible duties. The Yeoman assists the CO in day-to-day duties that the CO would otherwise not have the time to do.
Executive Officer (XO):
The liaison between captain and crew, the Executive Officer acts as the disciplinarian, personnel manager, advisor to the captain, and much more. S/he is also one of only two officers, along with the Chief Medical Officer, that can remove a Commanding Officer from duty.
The Executive Officer’s Yeoman is a position in Starfleet associated with administrative and clerical duties. Yeomen may be of any rank, including officers, and be a member of any division – though commonly they are considered members of the command division and are an enlisted officer.
The Executive Officer’s Yeoman primarily assists the ship’s Executive Officer in the administrative work associated with his or her posting, often dealing with high numbers of reports, and requiring the skill and knowledge to be able to prioritize what the Executive Officer sees first, and what needs the Executive Officer’s direct attention. They hold no official authority over other members of the ship’s crew beyond their rank, but orders passed through a yeoman are considered to be as if from the Executive Officer’s mouth him/herself.
An Executive Officer’s Yeoman is a rare sight on smaller ships and installations, and the yeomanry is typically confined to just the Captain’s Yeoman except on exceptionally large commands.
Second Officer (2O):
At times the XO must assume command of a Starship or base, when this happens the XO needs the help of another officer to assume his/her role as XO. The second officer is not a stand alone position, but a role given to the highest ranked and trusted officer aboard. When required the Second Officer will assume the role of XO, or if needed CO, and performs their duties as listed, for as long as required.
Chief of the Boat (CoB):
The most senior Chief Petty Officer (including Senior and Master Chiefs), regardless of rating, is designated by the Commanding Officer as the Chief of the Boat. In addition to his or her departmental responsibilities, the CoB performs the following duties: serves as a liaison between the Commanding Officer (or Executive Officer) and the enlisted crewmen; ensures enlisted crews understand Command policies; advises the Commanding Officer and Executive Officer regarding enlisted morale, and evaluates the quality of non-commissioned officer leadership, management, and supervisory training.
The CoB works with the other department heads, Chiefs, supervisors, and crewmen to insure discipline is equitably maintained, and the welfare, morale, and health needs of the enlisted personnel are met. The CoB is qualified to temporarily act as Commanding or Executive Officer if so ordered.
Advises the Commanding Officer and Executive Officer on mission-specific areas of importance. Many times, the Mission Advisor knows just as much about the mission as the CO and XO do, if not even more. He or she also performs mission-specific tasks, and can take on any roles that a mission requires him or her to do. Concurrently holds another position, except in rare circumstances.