USS Pittsburgh (CA-72)

USS Pittsburgh (CA-72)
Ship name	USS Pittsburgh (CA-72)
Ship class	Baltimore-class heavy cruiser
Builder	Bethlehem Steel Corporation, Fore River Shipyard
Laid down	15 April 1943
Launched	16 April 1944
Commissioned	3 February 1945
Decommissioned	7 January 1947
Recommissioned	6 November 1951
Struck	1 December 1973
Fate	Sold for scrap 1974
Displacement	13,600 long tons (standard)
Length	673 ft 3 in (205.3 m)
Beam	70 ft 10 in (21.6 m)
Draft	26 ft 6 in (8.1 m)
Propulsion	4 shafts, geared steam turbines
Speed	33 kn (61 km/h)
Complement	1,142 officers and enlisted
Armament	9 × 8 in (203 mm) guns, 12 × 5 in (127 mm) guns, assorted 40 mm and 20 mm AA

USS Pittsburgh (CA-72) was a Baltimore-class cruiser of the United States Navy commissioned late in World War II. Named for the city of Pittsburgh, Pennsylvania, she served in the Pacific Theater, participated in carrier screening and shore bombardment, and later saw Cold War service including Korean War-era operations. The ship earned multiple battle stars and underwent periods of active service, reserve status, and modernization before being decommissioned and scrapped.

Design and Construction

The ship was laid down by Bethlehem Steel at the Fore River Shipyard in Quincy, Massachusetts, as part of the wartime expansion of the United States Navy surface fleet. As a member of the Baltimore-class cruiser program, her design emphasized heavy armor, high speed, and a main battery of nine 8-inch/55 caliber guns in three triple turrets—features derived from interwar lessons gleaned after the Washington Naval Treaty and the London Naval Treaty. Hull form and machinery followed developments used in contemporaneous Des Moines-class cruiser planning, with geared steam turbines fed by high-pressure boilers enabling speeds exceeding 30 knots to allow screening of United States Pacific Fleet carrier task forces such as Task Force 38 and Task Force 58.

Construction milestones included keel laying on 15 April 1943 and launching on 16 April 1944 with sponsorship from civic figures of Pittsburgh, Pennsylvania. Commissioning occurred on 3 February 1945 under the command of a United States Navy officer, joining a fleet shaped by operational experience from engagements like the Battle of Midway, the Guadalcanal Campaign, and the Battle of the Philippine Sea.

Service History

After shakedown and training off the Eastern Seaboard (United States), the cruiser transited to the Pacific Ocean amid the final operations against Imperial Japan. She joined carrier groups operating from Ulithi Atoll and escorted aircraft carriers such as USS Lexington (CV-16), USS Essex (CV-9), and other units of Fast Carrier Task Force formations. Pittsburgh screened carriers during strikes on targets including Okinawa, the Japanese home islands, and supported naval aviation operations that followed Operation Iceberg and the Battle of Okinawa.

Following V-J Day, the ship took part in occupation-related duties, visits to ports such as Tokyo, and repatriation support consistent with postwar fleet assignments. Pittsburgh returned to the United States and was placed in reserve during the immediate peacetime drawdown before the onset of Cold War tensions necessitated renewed active service.

Battle Engagements and Notable Operations

Pittsburgh arrived in the theater in time to contribute to late-war carrier screening and shore bombardment support. She provided anti-aircraft protection during carrier strikes that targeted industrial and military infrastructure in Honshu, Kyushu, and the Ryukyu Islands. When assigned to Task Force 38, Pittsburgh operated alongside famed carriers connected to leaders such as Admiral William Halsey Jr. and Admiral Raymond Spruance, participating in coordinated air-sea operations that reflected carrier-centric doctrine evolved since the Battle of the Coral Sea and Battle of Leyte Gulf.

Notable operations included escorting task groups during raids on the Japanese home islands in 1945 and conducting naval gunfire support for amphibious operations where required. Though commissioned late and therefore not engaged in earlier Pacific battles like Guadalcanal or Midway, Pittsburgh’s contributions helped sustain pressure that led to Japan’s surrender after the Atomic bombings of Hiroshima and Nagasaki and cumulative Allied operations.

During her Cold War cruises, Pittsburgh conducted training exercises, fleet maneuvers, and port visits across the Atlantic Ocean, Mediterranean Sea, and Pacific approaches, interacting with NATO partners including United Kingdom, France, and Italy naval forces during deployments that emphasized collective security under arrangements like the North Atlantic Treaty Organization.

Postwar Service and Decommissioning

Placed in reserve after World War II, Pittsburgh was recommissioned on 6 November 1951 in response to the Korean War and wider Cold War exigencies. She operated with the Seventh Fleet and undertook peacetime cruises, fleet exercises, and goodwill visits that showcased United States naval presence. Modernization efforts updated anti-aircraft batteries and electronic suites consistent with postwar lessons from engagements such as the Korean War and early jet-era naval aviation.

As missile technology and guided-missile cruisers emerged during the 1950s and 1960s, ships of the Baltimore class gradually became less central to frontline task groups. Pittsburgh was decommissioned on 7 January 1947 initially, recommissioned in 1951, and finally placed out of active service and stricken from the Naval Vessel Register on 1 December 1973. She was sold for scrap in 1974, closing the chapter on a ship that bridged the transition from World War II surface combatant operations to Cold War naval strategy.

Awards and Honors

For her World War II service and subsequent operations, Pittsburgh received multiple honors including two battle stars for service in the Pacific Theater. Her crew and ship were recognized in official United States Navy records for participation in late-war carrier operations, occupation duties, and Cold War deployments. The vessel’s legacy is preserved in naval histories, museum collections, and civic commemorations in Pittsburgh, Pennsylvania.

Category:Baltimore-class cruisers Category:Ships built in Quincy, Massachusetts Category:World War II cruisers of the United States Category:Cold War cruisers of the United States