United Kingdom
Operators
1914
Commissioned
United Kingdom
National Origin
523
Complement
Iron Duke-class
Hull Class
4
Number-in-Class
HMS Iron Duke; HMS Marlborough; HMS Benbow; HMS Emperor of India
Ships-in-Class
Offshore Bombardment
Offshore bombardment / attack of surface targets / areas primarily through onboard ballistic weaponry.
Land-Attack
Offshore strike of surface targets primarily through onboard missile / rocket weaponry.
Maritime Patrol
Active patroling of vital waterways and maritime areas; can also serve as local deterrence against airborne and seaborne threats.
Airspace Denial / Deterrence
Neutralization or deterrence of airborne elements through onboard ballistic of missile weaponry.
Fleet Support
Serving in support (either firepower or material) of the main surface fleet in Blue Water environments.
Flag Ship / Capital Ship
Serving in the fleet Flag Ship role or Capital Ship in older warship designs / terminology.
325.0 feet
(99.06 meters)
Length
68.0 feet
(20.73 meters)
Beam
27.0 feet
(8.23 meters)
Draught
10,600
tons
Displacement
18 x Babcock & Wilcox boilers with Parsons steam turbines developing 31,000 horsepower to 4 x shafts.
Propulsion
18.0 knots
(20.7 mph)
Surface Speed
5,003 nm
(5,757 miles | 9,265 km)
Range
1 knot = 1.15 mph; 1 nm = 1.15 mile; 1 nm = 1.85 km
5 x 2 x BL 13.5-inch (343mm) Mk V main guns (twin mountings).
12 x BL 6-inch (153mm) Mk VII guns in single mounts.
2 x QF 3-inch (20 cwt) anti-aircraft guns
4 x 21-inch (533mm) torpedo tubes