Naval Base San Diego, also known as 32nd Street Naval Station, is the second largest surface ship base of the United States Navy and is located in San Diego, California. Naval Base San Diego is the principal homeport of the Pacific Fleet, consisting of over 50 ships and over 150 tenant commands. The base is composed of 13 piers stretched over 1,600 acres (650 ha) of land and 326 acres (132 ha) of water. The total on base population is over 24,000 military personnel and over 10,000 civilians.