USS Richmond (CL-9) was an light cruiser, originally classified as a scout cruiser, of the United States Navy. She was the third Navy ship named for the city of Richmond, Virginia.
Built in Philadelphia, Pennsylvania
Richmond was originally authorized on 29 August 1916, and awarded to William Cramp & Sons, Philadelphia on 30 July 1917. She was laid down on 16 February 1920, and launched on 29 September 1921, sponsored by Miss Elizabeth S. Scott. Richmond was commissioned on 2 July 1923, with Captain David F. Boyd in command.
Characteristics
Richmond was long at the waterline with an overall length of , her beam was and a mean draft of . Her standard displacement was and at full load. Her crew, during peace time, consisted of 29 officers and 429 enlisted men.
The ship lacked a full-length waterline armor belt. The sides of her boiler and engine rooms and steering gear were protected by of armor. The transverse bulkheads at the end of her machinery rooms were thick forward and three inches thick aft. The deck over the machinery spaces and steering gear had a thickness of 1.5 inches. The gun turrets were not armored and only provided protection against muzzle blast and the conning tower had 1.5 inches of armor.
Armament changes
During her career Richmond went through several armament changes, some of these changes were save weight, but others were to increase her AA armament. The lower torpedo tube mounts proved to be very wet and were removed, and the openings plated over, before the start of World War II. Another change made before the war was to increase the 3-inch guns to eight, all mounted in the ship's waist. After 1940, the lower aft 6-inch guns were removed and the casemates plated over for the same reason as the lower torpedo mounts. Then, from September through December, she underwent overhaul at the New York Navy Yard. After 21 December 1937, she served as flagship of the Submarine Force, and on 10 May 1938, she headed back to the east coast. On 26 August, she returned to San Diego and resumed her previous duty with the Submarine Force. In the winter of 1939 and the fall of 1940, she returned to the Atlantic for fleet and submarine exercises, and, at the end of December 1940, hauled down the flag of the Submarine Force.