The Ship's Company of 235 is required to operate and maintain the propulsion, replenishment, auxiliary machinery and support systems in Success. Providing underway replenishment support to the fleet is a challenging and continuing task requiring technical proficiency and high seamanship standards."
Both of these photos were taken off Hawaii in July/August this year. HMAS Success is in the middle completing a RAS on both sides of the ship.
In this picture the other vessels are
Port (left) - USS Lake Champlain
Stbd (right) - HMCS Calgary
Stbd (right) - USS Samson
Lifeguard station (astern) - HMCS Calgary