Who do you call attention on deck for in the navy?

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.
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.