 "Wave Ruler" has a standard crew of 80 Royal Fleet Auxiliary personnel with provision for a further 22 Royal Navy personnel to conduct helicopter and weapons systems operations.She carries a full medical team and sick bay and is capable of distributing 2,000 emergency relief packages in times of crisis.The ship has the capability to supply fuel and other liquid cargo to vessels using replenishment rigs on port and starboard beams and through a Hudson reel-type stern rig.