Louisiana battleship  aircraft carrier

USS Louisiana (BB-71)**  
A modified aviation battleship variant of the 5th Montana-class battleship (United States Navy)  
**Dimensions:**  
- **Length:** 280.75 meters  
- **Beam:** 43.66 meters  
- **Overall height:** 36.09 meters  
- **Deck height:** 16.27 meters  
- **Displacement:** 72,104 tons  

**Performance:**  
- **Powerplant:** 212,000 horsepower  
- **Maximum speed:** 31 knots  

**Armament:**  
- **Primary artillery:**  
  - 50-caliber 406mm Mk.7 naval guns  
  - 54-caliber 127mm Mk.16 dual-purpose guns (anti-surface/anti-air)  
  - 50-caliber 76.2mm Mk.22 anti-aircraft guns  
Equipped with aircraft catapults