The US Navy heavy cruisers USS Salt Lake City (CA-25), USS Pensacola (CA-24) and USS New Orleans (CA-32) (listed from left to right) nested together at Pearl Harbour, 31 October 1943. Ford Island is at the left, with the battleship USS Oklahoma (BB-37) under salvage at the extreme left, just beyond Salt Lake City 's forward superstructure. Note the radar antennas, gun directors and 203 mm guns on these three heavy cruisers. Two New Mexico -class battleships are visible in the background between Pensacola and New Orleans .