When directed by the Commanding Officer.
No, there is no such rank in the US Navy. There is a Vice Admiral ranking. And the assistant to the commanding officer of a vessel is called the Executive Officer.
Admiral Doenitz (hope I spelled that right) the commanding officer of the Nazi Third Reich Navy signed the surrender documents with Field Marshal Montgomery.
The commanding officer (CO) or officer in charge (OIC) of a navy unit can authorize a 48-hour special liberty for their sailors. However, it ultimately depends on the unit's policies and the specific circumstances surrounding the request for special liberty.
The officer directly under a ship's Commanding Officer is the Executive Officer; in the Navy, that also goes for shore commands.
He could be charged under the UCMJ for conduct unbecoming an officer and perjuring themselves.
Attention on Deck is called for on the arrival of the Commanding Officer. It is also used for any Flag grade officer, which is Captain or Above. The first person to spot the arrival calls the room to attention.
CO, to my knowledge, means Commanding Officer. This is pretty universal throughout all armed forces.
A commander is an officer of any rank who is actually commanding an army/navy/airforce unit. A general is someone having that specific rank, but who is not necessarily actively commanding an army unit.
Militarily, the Commanding Officer of the Navy is the Chief of Naval Operations, a 4 star Admiral. He reports to the Secretary of the Navy, who is a DoD civilian; he in turn reports to the Secretary of Defense.
A Captain generally is an officer holding the O-6 rank. However, An officer who is in charge of a ship can also be called a Captain. For example a Commander (O-5) who is the Commanding officer of a ship is the Ships Captain.
Only person authorized to sign using red ink is the Commanding Officer. review correspondence manual. I have seen CO's use blue ink. XO is usually green.