The Tankers are the energy source for the Navy ships, a ship's Stewards attend to nutritional needs.
Here, a group of Stewards on Sydney are having a chin wag during a break in their duties, to chew the fat and no doubt spin a few yarns. Some were Ex-Royal Navy bods. The pic of the steward left row front is Jerry Fulton, from Belfast Ireland. He and I served together on the same ships
for over four years. Though privileged to hear all that was discussed by the ship's officers, Stewards usually respected the privilege and kept mum.
Except perhaps when chatting with a Mate ...