USS St. Louis (C-20)

	USS St. Louis (C-20), off the Boston Navy Yard, Massachusetts, 14 September 1917.
History
United States
Name	St. Louis
Namesake	City of St. Louis, Missouri
Ordered	7 June 1900
Awarded	11 March 1901
Builder	Neafie & Levy Co., Philadelphia, Pennsylvania
Cost	$2,740,000 (contract price of hull and machinery)
Laid down	31 July 1902
Launched	6 May 1905
Sponsored by	Miss Gladys Bryant Smith
Commissioned	18 August 1906
Decommissioned	3 March 1922
Reclassified	CA-18, 17 July 1920
Stricken	20 March 1930
Identification	Hull symbol: C-20; Hull symbol: CA-18;
Fate	Sold for scrap on 13 August 1930
Notes	14 July 1912, assigned to the Oregon Naval Militia; 27 April 1914, designated as a Receiving Ship; 29 July 1916, assigned as a Submarine tender;
General characteristics (as built)
Class & type	St. Louis-class protected cruiser
Displacement	9,700 long tons (9,856 t) (standard); 10,839 long tons (11,013 t) (full load);
Length	426 ft 6 in (130.00 m)oa; 424 ft (129 m)pp;
Beam	66 ft (20 m)
Draft	22 ft 6 in (6.86 m) (mean)
Installed power	12 × Babcock & Wilcox boilers; 21,000 ihp (16,000 kW);
Propulsion	2 × vertical triple expansion reciprocating engines; 2 × screws;
Speed	22 knots (41 km/h; 25 mph); 22.13 knots (40.98 km/h; 25.47 mph) (Speed on Trial);
Armament	14 × 6 in (152 mm)/50 caliber Mark 6 Breech-loading rifles; 18 × 3 in (76 mm)/50 cal guns; 12 × 3-pounder (47 mm (1.9 in)) saluting guns; 8 × 1-pounder (37 mm (1.5 in)) rapid-fire guns; 4 × 1-pounder (37 mm) guns;
Armor	Belt armor: 4 in (102 mm); Deck (amidships): 2–3 in (51–76 mm); Shields: 4 in; Conning tower: 5 in (127 mm);
General characteristics (1921)
Armament	12 × 6 in/50 caliber breech-loading rifles; 4 × 3 in/50 caliber guns; 2 × 3 in/50 anti-aircraft guns; 4 × 3-pounder (47 mm) saluting guns;

The USS St. Louis (C-20/CA-18), was the lead ship of her class of protected cruisers in the United States Navy. St. Louis was launched on 6 May 1905 by the Neafie & Levy Company, of Philadelphia, Pennsylvania. She was sponsored by Miss Gladys Bryant Smith and commissioned on 18 August 1906 with Captain Nathaniel R. Usher in command.

History
USS St. Louis (C-20), off the Boston Navy Yard, Massachusetts, 14 September 1917.
United States
Name	St. Louis
Namesake	City of St. Louis, Missouri
Ordered	7 June 1900
Awarded	11 March 1901
Builder	Neafie & Levy Co., Philadelphia, Pennsylvania
Cost	$2,740,000 (contract price of hull and machinery)
Laid down	31 July 1902
Launched	6 May 1905
Sponsored by	Miss Gladys Bryant Smith
Commissioned	18 August 1906
Decommissioned	3 March 1922
Reclassified	CA-18, 17 July 1920
Stricken	20 March 1930
Identification	Hull symbol: C-20 Hull symbol: CA-18
Fate	Sold for scrap on 13 August 1930
Notes	14 July 1912, assigned to the Oregon Naval Militia 27 April 1914, designated as a Receiving Ship 29 July 1916, assigned as a Submarine tender
General characteristics (as built)
Class & type	St. Louis-class protected cruiser
Displacement	9,700 long tons (9,856 t) (standard) 10,839 long tons (11,013 t) (full load)
Length	426 ft 6 in (130.00 m)oa 424 ft (129 m)pp
Beam	66 ft (20 m)
Draft	22 ft 6 in (6.86 m) (mean)
Installed power	12 × Babcock & Wilcox boilers 21,000 ihp (16,000 kW)
Propulsion	2 × vertical triple expansion reciprocating engines 2 × screws
Speed	22 knots (41 km/h; 25 mph) 22.13 knots (40.98 km/h; 25.47 mph) (Speed on Trial)
Armament	14 × 6 in (152 mm)/50 caliber Mark 6 Breech-loading rifles 18 × 3 in (76 mm)/50 cal guns 12 × 3-pounder (47 mm (1.9 in)) saluting guns 8 × 1-pounder (37 mm (1.5 in)) rapid-fire guns 4 × 1-pounder (37 mm) guns
Armor	Belt armor: 4 in (102 mm) Deck (amidships): 2–3 in (51–76 mm) Shields: 4 in Conning tower: 5 in (127 mm)
General characteristics (1921)
Armament	12 × 6 in/50 caliber breech-loading rifles 4 × 3 in/50 caliber guns 2 × 3 in/50 anti-aircraft guns 4 × 3-pounder (47 mm) saluting guns