The USS Orion is a name used for several ships in the United States Navy. The most notable is the USS Orion (AS-18), a submarine tender commissioned in 1944. It provided maintenance and support to submarines during its service, particularly in the Pacific Theater during World War II. Another ship named USS Orion was a cargo ship that served during the Vietnam War. These vessels played crucial roles in logistics and support, ensuring that naval operations were well-supplied and effective. The name reflects the Navy's tradition of naming ships after constellations and mythological figures.