Sat. Apr 18th, 2026

USS Kansas BB-21

USS Kansas (BB-21) is a Kansas-class battleship that entered service with the United States Navy on April 18, 1907. Almost immediately after entering service, the USS Kansas joined the Great White Fleet on its voyage around the world. After that, the ship actively participated in the suppression of the Mexican Revolution, and with the beginning of the First World War, served mainly for training purposes for the crew.

Technical parameters USS Kansas BB-21

Ordered 3 March 1903
Namesake State of Kansas
Builder New York Shipbuilding Company
Laid down 10 February 1904
Launched 12 August 1905
Commissioned 18 April 1907
Decommissioned 16 December 1921
Stricken 10 November 1923
Fate Broken up, 1924
Class and type Connecticut -class battleship
Length 456 ft 4 in (139.09 m)
Beam 76 ft 10 in (23.42 m)
Draft 24 ft 6 in (7.47 m)
Displacement
  • Normal: 16,000 long tons (16,000 t)
  • Full load: 17,666 long tons (17,949 t)
Propulsion
  • 2 × triple-expansion steam engines
  • 2 × screw propellers
Installed power 12 Babcock & Wilcox boilers 16,500 ihp (12,300 kW)
Complement 827 officers and men
Speed 18 kn (21 mph; 33 km/h)
Armor
  • Belt: 6–11 in (152–279 mm)
  • Barbettes: 6–10 in (152–254 mm)
  • Turret Main: 8–12 in (203–305 mm)
  • Turret secondary: 7 in (178 mm)
  • Conning tower: 9 in (229 mm)
Armament
  • 4 × 12 in (305 mm)/45 caliber Mark 5 guns
  • 8 × 8 in (203 mm)/45 caliber guns
  • 12 × 7 in (178 mm)/45 caliber guns
  • 20 × 3 in (76 mm)/50 caliber guns
  • 12 × 3-pounder guns
  • 4 × 1-pounder guns
  • 4 × 21 inch (533 mm) torpedo tubes

USS Kansas BB-21

USS Kansas (BB-21)