Replenishment ships are specialized vessels designed to supply fuel, food, and other essential supplies to naval ships at sea. They play a crucial role in extending the operational range of naval fleets, allowing them to remain deployed for longer periods without returning to port. These ships can transfer supplies while both vessels are moving, ensuring that naval operations continue smoothly. Typically, replenishment ships are equipped with advanced systems for transferring liquids and solids, including fuel, ammunition, and provisions. They are often part of a larger support group that includes destroyers and submarines, enhancing the overall effectiveness of naval missions and ensuring that fleets are well-equipped to respond to various challenges.