She screened for Yorktown again in the Battle of Midway , picking up her survivors as well. She then supported the carrier Enterprise during the initial phase of the Guadalcanal Campaign later that year, and was torpedoed during the Naval Battle of Guadalcanal.
The torpedo inflicted heavy damage which put her out of action for six months as she was repaired in Sydney , Australia, and later San Diego , California.
Returning to combat in mid, Portland saw action in many of the major engagements of the Pacific War , conducting shore bombardments in support of campaigns at the Aleutian Islands , Gilbert and Marshall Islands , Mariana Islands , and New Guinea. She then conducted shore bombardments at Lingayen Gulf and Corregidor Island , and in supported landings during the Battle of Okinawa until the end of the war. She was decommissioned in and scrapped by In her extensive service she accrued 16 battle stars , making her one of the most decorated ships in the U.
Portland was the lead ship of the third class of " treaty cruisers " to be constructed by the United States Navy following the Washington Naval Treaty of , following the two vessels of the Pensacola class ordered in and the six vessels of the Northampton class ordered in Navy in Fiscal Year Portland was originally designated as a light cruiser , because of her thin armor, and given the hull classification symbol CL She was reclassified a heavy cruiser , because of her 8-inch guns, with the symbol CA on 1 July , in accordance with the London Naval Treaty.
Portland was designed for a standard displacement of 10, long tons 10, t , and a full-load displacement of 12, long tons 12, t. Her four Parsons GT geared turbines each drove a propeller shaft using steam provided by eight Yarrow boilers.
