UNNS Regulations

The UNNS - like the UNAF - had regulations, known to all as regs, concerning its operation. A large number of them seem to be concerned about the chain of command and the authority to relieve an officer of duty. The most current version of the regs are the Naval Regulations and Code of Conduct, Revision of 2087

Section 92.5
Command of any work detail may be delegated by the Captain or the officer of the watch to any lieutenant, midshipman, or other officer in his command

Section 98.3
The following persons are not line officers within the meaning of these regulations: a Ship’s Doctor, a chaplain, a Pilot, and an Engineer. All other officers are line officers within the meaning of these regulations

Section 101.9
The Captain of a vessel may from time to time appoint a midshipman, who shall serve in such capacity as the Captain and his officers may from time to time direct.

Section 121.2
The Captain of a vessel may relieve himself of command when disabled and unfit for duty by reason of mental illness or physical sickness or injury. Upon his certification of such action in the Log, his rank of Captain shall be suspended and command shall devolve on the next ranking line officer.

Section 232.8
In case of death or disability of the Captain, his duties authority and title shall devolve on the next ranking line officer.

Section 357.4
Every watch not commanded by the Captain shall be commanded by a commissioned officer under his direction.