Austin class amphibious transport dock

The Austin class of amphibious transport dock followed the Raleigh class[?] and was followed by the San Antonio and Cleveland classes. Note that some sources consider Cleveland and later ships to be a part of the Austin class, but the Naval Vessel Registry lists them as a separate class.

General Characteristics

• Unit cost: US$235-419 million
• Power plant: Two boilers, two steam turbines, two shafts, 24,000 shaft horsepower
• Length: 570 feet (171 meters)
• Beam: 84 feet (25.2 meters)
• Displacement: Approximately 17,000 tons (17,272.82 metric tons) full load
• Speed: 21 knots (24.2 mph, 38.7 kph)
• Aircraft: Up to six CH-46 Sea Knight helicopters
• Ship's Company: 24 officers, 396 enlisted, 900 marines
• Armament: Two 25mm Mk38 guns; two Phalanx CIWS; and eight .50-calibre machine guns.

Ships

Ship	Builder	Homeport
USS Austin (LPD-4)	New York Naval Shipyard	Norfolk, Virginia
USS Ogden (LPD-5)	New York Naval Shipyard	San Diego, California
USS Duluth (LPD-6)	New York Naval Shipyard	San Diego, California