It is composed of the USS Hornet (CV-12) aircraft carrier, exhibits from the NASA Apollo moon exploration missions, and several retired aircraft from the Second World War and the transonic and early supersonic jet propulsion period. A number of compartments contain exhibits concerning contemporary carriers that are supported by related associations. The flight deck, hangar deck, and first deck below are open for self-guided tours. Docent-led tours are available into the ship's navigation and flight deck control areas of the island and down into one of the engineering spaces containing two of the four ship's propulsion turbines.