The USS Rainier (AOE-7) is a fast combat support ship of the United States Navy, commissioned in 1970. It is designed to provide logistical support to naval forces, delivering fuel, ammunition, and supplies to ships at sea. The vessel is named after Mount Rainier, a prominent volcano in Washington State. The ship is equipped with advanced systems for transferring fuel and cargo, allowing it to operate efficiently in various maritime environments. Throughout its service, the USS Rainier has participated in numerous military operations and exercises, contributing to the readiness of the U.S. Navy fleet.