Quincy Shipyard on 17 February 1930, and Indianapolis was laid down by New York Shipbuilding Corporation on 31 March 1930. The hull and machinery of both ships was provided by their respective builders. Indianapolis was launched first, on 7 November 1931 and commissioned on 15 November 1932. Portland was launched on 21 May 1932 and commissioned on 23 February 1933. Ships in class USS Portland (CA-33) Portland was the first ship on the scene when the airship went down in 1933, and coordinated efforts to retrieve survivors. She conducted a number of fleet maneuvers and goodwill missions throughout the Pacific Ocean. After the start of World War II, Portland took part in the Battle of Coral Sea, there rescuing 722 survivors from the sunk aircraft carrier . She then fought at the Battle of Midway, the Battle of the Eastern Solomons, and in the Battle of the Santa Cruz Islands, where she was hit by three dud air-launched torpedoes. She then supported U.S. Marine landings during the Battle of Guadalcanal. During the naval battle there in late 1942, she was struck and severely damaged by a torpedo from a Japanese destroyer, a hit which required interim repairs in Australia followed by extensive repairs at Mare Island Navy Yard. In spite of this damage, she was still able to inflict damage on the . Returning to the war, she bombarded Kiska as part of the Aleutian Islands campaign, played a supporting role in the Gilbert and Marshall Islands campaign, covered landings during the New Guinea campaign, and Pelelieu. She then participated in the Battle of Leyte Gulf, covered landings in the Philippines, and supported the Battle of Okinawa. At the end of the war she was decommissioned and remained in the United States Reserve Fleet until 1959, when she was broken up for scrap. USS Indianapolis (CA-35) Indianapolis served as flagship of Scouting Force 1 during World War II, and saw action in a number of campaigns in the Pacific theater. She supported the Gilbert and Marshall island campaigns as well as operations off the Caroline Islands. Later in the war she fought in the Battle of Philippine Sea and later the Battle of Iwo Jima and participating in the Battle of Okinawa. In mid-1945, she sailed from the United States to Tinian Island carrying components of Little Boy and Fat Man, the two nuclear weapons which would later be used