Boise

Your rite it is.Although they both look alike.
http://www.ibiblio.org/hyperwar/USN/ships/CL/CL-47_Boise.htmlBrooklyn class Light Cruiser:
Displacement: 12,242 tons (full load)
Length: 608'4"
Beam: 61'8"-69'6"
Draft: 24'4"-25'
Speed: 33 knots
Armament: 5x3 6"/47, 4x2 5"/38, 4x4 40mm, 6x2 40mm, 12x1 20m, 8x1 .50-caliber MG; 2 planes
Complement: 1,363
Propulsion: Steam turbines, 8 boilers, 4 shafts, 100,000 hp
Built at Newport News, and commissioned 12 August 1938

USS Helena (CL-50) Facts :
Ship Class: St. Louis Class Light Cruiser (Modified Brooklyn Class)
Crew: 888 men
Length: 614'
Beam : 61'6"
Draft : 19'9"
Displacement: 10,000 tons (Standard per treaty mandates)
13,327 tons (full load)
Max Speed: 32.5 knots
Propulsion: (4) 618psi Boilers
4 Gear Turbines
4 shafts/screws
100,000 shp
Armor: Teakwood Deck
3-5" Belt
2" Deck
1.25-6.5" Turrets
6" Barbettes
2.25-5" CT
Armament : 5 - Triple 6"/47 main battery
4 - Dual 5"/38 DP secondary
8 - .50 caliber AA
4 - Curtiss SOC-2 Seagulls (Aircraft) on 2 Aft catapults.
Builder : New York Navy Yard
Keel Laid : 09 DEC 1936
Launched : 27 AUG 1939
Sponsor : Miss E. C. Gudger, a granddaughter of Montana Senator Thomas J. Welch
Commissioned : 18 SEP 1939, Commanded by Capt. Max B. Demott
Awards : Navy Unit Commendation (1st Awarded to a U.S. Naval Ship)
7 Battle Stars
Present Status: 06 JUL 1943, Sunk at 07-46' S., 157-11' E.