USS Philadelphia (CL-41)

History
USS Philadelphia (CL-41), off coast of New York City in April 1943.
United States
Name:	Philadelphia
Namesake:	City of Philadelphia, Pennsylvania
Ordered:	16 June 1933
Awarded:	3 August 1933 (date assigned to ship yard) 1 November 1933 (beginning of construction period)
Builder:	Philadelphia Navy Yard, Philadelphia, Pennsylvania
Laid down:	28 May 1935
Launched:	17 November 1936
Sponsored by:	Mrs. George H. Earle
Commissioned:	23 September 1937
Decommissioned:	3 February 1947
Struck:	9 January 1951
Identification:	Hull symbol:CL-41 Code letters:NIJT
Honors and awards:	5 × battle stars
Fate:	Sold to Brazil in 1951
History
Brazil
Name:	Barroso
Namesake:	Francisco Manuel Barroso, Baron of Amazonas
Acquired:	9 January 1951
Decommissioned:	1973
Identification:	C-11
Fate:	Scrapped in 1974
General characteristics (as built)
Class and type:	Brooklyn-class cruiser
Displacement:	10,000 long tons (10,000 t) (estimated as design) 9,767 long tons (9,924 t) (standard) 12,207 long tons (12,403 t) (max)
Length:	600 ft (180 m) oa 608 ft 4 in (185.42 m) lwl
Beam:	61 ft 7 in (18.77 m)
Draft:	19 ft 9 in (6.02 m) (mean) 24 ft (7.3 m) (max)
Installed power:	8 × Steam boilers 100,000 shp (75,000 kW)
Propulsion:	4 × geared turbines 4 × screws
Speed:	32.5 kn (37.4 mph; 60.2 km/h)
Complement:	868 officers and enlisted
Armament:	15 × 6 in (150 mm)/47 caliber Mark 16 guns (5x3) 8 × 5 in (130 mm)/25 caliber anti-aircraft guns 8 × caliber 0.50 in (13 mm) machine guns
Armor:	Belt: 3 ¹⁄₄–5 in (83–127 mm) Deck: 2 in (51 mm) Barbettes: 6 in (150 mm) Turrets: 1 ¹⁄₄–6 in (32–152 mm) Conning Tower: 2 ¹⁄₄–5 in (57–127 mm)
Aircraft carried:	4 × floatplanes
Aviation facilities:	2 × stern catapults
General characteristics (1945)
Beam:	69 ft (21 m) (with blisters)
Armament:	15 × 6 in (150 mm)/47 caliber guns (5x3) 8 × 5 in (130 mm)/25 caliber anti-aircraft guns 6 × quad 40 mm (1.6 in) Bofors anti-aircraft guns 2 × twin 40 mm (1.6 in) Bofors anti-aircraft guns 18 × single 20 mm (0.79 in) Oerlikon anti-aircraft cannons

USS Philadelphia (CL-41), a Brooklyn-class cruiser light cruiser of the United States Navy. She was the fifth ship named for Philadelphia, Pennsylvania. In the 1950s, she was commissioned into the Brazilian Navy as Almirante Barroso.

Philadelphia was laid down on 28 May 1935 at the Philadelphia Navy Yard; launched on 17 November 1936; sponsored by Mrs. George H. Earle, first lady of Pennsylvania; and commissioned at Philadelphia on 23 September 1937, Captain Jules James in command.

After fitting out, the cruiser departed Philadelphia on 3 January 1938 for shakedown in the West Indies followed by additional alterations at Philadelphia and further sea trials off the Maine coast.

Philadelphia called at Charleston, South Carolina on 30 April and hosted President Franklin Delano Roosevelt the first week of May for a cruise in Caribbean waters. The President debarked at Charleston on 8 May, and Philadelphia resumed operations with Cruiser Division 8 (CruDiv 8) off the Atlantic coast. She was designated flagship of Rear Admiral F.A. Todd, Commander CruDiv 8 (ComCruDiv 8), Battle Force on 27 June. In the following months, she called at principal ports of the West Indies, and at New York City, Boston, and Norfolk, Virginia.

Transiting the Panama Canal on 1 June 1939, Philadelphia joined CruDiv 8 in San Pedro, California on 18 June for Pacific coastal operations. She departed Los Angeles, California on 2 April 1940 for Pearl Harbor, where she engaged in fleet maneuvers until May 1941.

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