I hate shopping libidox vizcaino Each 138,600-pound Project Olympus station would comprise a large central hub with three evenly spaced arms. Each arm would include a pressurized crew module of oval cross-section nested between two cylindrical access tunnels. Apollo-derived logistics spacecraft (typical mass, 31,700 pounds), each bearing six astronauts, supplies, and equipment, would dock at the zero-gee central hub.