The Apollo Command Module, which is attached to the Sevice Module. The Command module was the sole habitable compartment. It measured 10 ft. 7 inches in length and 12 ft. 10 inches in diameter. It had an interior volume of 210 cubic feet and housed the crew, main control panels, guidance and navigation systems, food and equipment lockers, waste management system, and the docking tunnel. The Service Module was an unpressurized structure measuring 24 ft. 7 inches. and 12 ft. 10 inches in diameter. It housed the service propulsion system and the propellants, the fuel cell, four manuevering thrusters, an S band antenna, and storage for water and air. Photographed at Kennedy Space Center.