Greater Green River Intergalactic Spaceport is a public-use general aviation airport located near Green River, Wyoming, in Sweetwater County. Despite its grandiose name, it is a modest uncontrolled airfield serving small private and recreational aircraft rather than commercial or space operations. The airport is identified by the FAA location identifier K48U and does not hold an IATA code, reflecting its non-commercial status. Its whimsical name is a local tradition in the American West, where several small airports have adopted humorous or aspirational titles. The facility features a single runway and basic infrastructure typical of rural general aviation airports. There are no scheduled commercial airline services, no terminal building for passengers, and no spaceport facilities of any kind.