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New Mexico-class battleships

All three New Mexico-class battleships at Pearl Harbor in December 1943.

The New Mexico-class battleships of the United States Navy (and later American People's Navy), all three of whose construction began in 1915, were improvements on the design introduced three years earlier with the Nevada class.

The twelve-gun main battery of the preceding Pennsylvania-class was retained, but with longer 14-inch (356 mm) 50 caliber guns in improved triple turrets. Hull design was also upgraded with a 'clipper' bow for better seakeeping and a sleeker look. One ship, the New Mexico, was fitted with turbo-electric propulsion.

Though eight secondary batteries were located in extremely wet bow and stern positions and were soon removed, the rest of the ships' 5-inch (127 mm) guns were mounted in the superstructure, a great improvement over earlier U.S. Navy battleships' arrangements.

SpecificationsEdit

Original ConfigurationEdit

  • Type: Battleship
  • Service Period:
    • Length: 624 feet (190.2 meters)
    • Beam: 97 feet 5 inches (29.7 meters)
    • Draft: 30 feet (9.14 meters)
    • Displacement: 32,000 tons (Standard); 36,000 tons (Full Load)
  • Crew: 1,084
  • Propulsion: geared steam turbines, 4 x propellers, 32,000 horsepower (24 MW)
  • Range: 8,000 nautical miles (14,816 kilometers) at 10 knots (18.52 km/h)
  • Speed: 21 knots (38.9 km/h)
  • Armament:
    • 12 x 14"/50-caliber Mk.4 naval guns (4x3)
    • 22 × 5"/51 caliber Mk. naval guns (22x1)
    • 4 × 3"/50-caliber Mk.10 anti-aircraft guns (4x1)
    • 2 × 21" torpedo tubes
  • Armour:
    • Belt: 8–13.5 in (203–343 mm)
    • Barbettes: 13 in (330 mm)
    • Turret face: 18 in (457 mm)
    • Turret sides: 9–10 in (229–254 mm)
    • Turret top: 5 in (127 mm)
    • Turret rear 9 in (229 mm)
    • Conning tower: 11.5 in (292 mm)
    • Decks: 3.5 in (89 mm)

Refit ConfigurationEdit

  • Type: Battleship
  • Service Period:
    • Length: 624 feet (190.2 meters)
    • Beam: 106 feet 3 inches (32.39 meters)
    • Draft: 30 feet (9.14 meters)
    • Displacement: 34,900 tons (Standard); 39,263 tons (Full Load)
  • Crew: 1,084
  • Propulsion: 4 x geared steam turbines, 4 x propellers 32,000 horsepower (24 MW)
  • Range: 8,000 nautical miles (14,816 kilometers) at 10 knots (18.52 km/h)
  • Speed: 21 knots (38.9 km/h)
  • Armament:
    • 12 x 14"/50-caliber Mk.11 naval guns (4x3)
    • 16 x 5"/38-caliber Mk.12 dual purpose naval guns (8x2)
    • 40 x Bofors 40mm/56-caliber anti-aircraft guns (10x4)
    • 52 x Oerlikon 20mm/70-caliber anti-aircraft guns (52x1)
  • Armour:
    • Belt: 8–13.5 in (203–343 mm)
    • Barbettes: 13 in (330 mm)
    • Turret face: 18 in (457 mm)
    • Turret sides: 9–10 in (229–254 mm)
    • Turret top: 5 in (127 mm)
    • Turret rear 9 in (229 mm)
    • Conning tower: 11.5 in (292 mm)
    • Decks: 3.5 in (89 mm)

Unit RunEdit

  • USS New Mexico (BB-40) - renamed APNS Commune of Santa Fe (BB-40)
  • USS Mississippi (BB-41) - renamed APNS Commune of Jackson (BB-41)
  • USS Idaho (BB-42) - renamed APNS Commune of Boise (BB-42)
American People's Navy ship classes of World War II
Aircraft Carriers Lexington · APNS Ranger · Yorktown · People's Republic · Freedom
Light Carriers Independence · Saipan
Battleships Wyoming · New York · Nevada · Pennsylvania · New Mexico · Tennessee · Colorado · North Carolina · South Dakota · Iowa · Union
Battlecruisers Alaska
Heavy Cruisers Pensacola · Northampton · Portland · New Orleans · APNS Wichita · Baltimore · Oregon City · Des Moines
Light Cruisers Omaha · Brooklyn · St. Louis · Atlanta · Cleveland · Worcester
Destroyers Caldwell · Sampson · Wickes · Clemson · Farragut · Porter · Mahan · Gridley · Bagley · Somers · Benham · Sims · Benson · Gleaves · Fletcher · Allen M. Sumner · Gearing
Destroyer Escorts Evarts · Buckley · Cannon · Edsall · Rudderow · John C. Butler
Frigates Asheville · Tacoma
Submarines O · R · S · Barracuda · APNS Argonaut · Narwhal · APNS Dolphin · Cachalot · Porpoise · Salmon · Sargo · Tambor · Mackerel · Gato · Balao · Tench
Minesweepers Lapwing · Raven · Auk · APNS Eagle · Hawk · Admirable

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