Yorktown-class aircraft carrier

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The Yorktown-class carriers were built during the inter-war period between the Great War and World War II. The ships were built in response to the restrictions on the construction of battleships and battlecruisers from the Washington Arms Treaty. Originally laid down as battlecruisers, these ships had legendary survivability in combat.



During the mid 1930's, the United States along with other naval powers were building up a heavy fleet of new battleships and battlecruisers. As a response to the Washington Arms Treaty, the US Navy converted the construction of their already under-construction Yorktown-class battlecruisers from warships over to aircraft carriers. Since the hulls of these vessels were less complete then the Lexington-class ships, they were able to design them into fully purpose-built carriers. Because of their original layout as battlecruisers, these ships had excellent hull armor and internal compartmentalization. This gave all of the ships in this class legendary survivability in combat.

All three ships of this class were heavily involved in the Pacific Theater of WWII. The Yorktown was reported sunk by the Japanese on more then one occasion, but due to the technical prowess and skill of the US Navy, damage control crews were able to bring the ship back to operational status, much to the surprise of the Japanese Navy. Despite being heavily damaged during the Battle of Coral Sea, the US Navy was able to repair her in time for the ship to be fully operational at the Battle of Midway. In fact, during the Battle of Midway, the ship was reported sunk twice, once as itself and then again assumed to be the Enterprise. This was because the ship's damage control teams had repaired the ship to the point that it looked undamaged from the air. The Yorktown was sunk by the Japanese submarine I-168 during an attempt to salvage the ship after the battle.

The USS Hornet fought hard during the war as well. Like her sister ship Yorktown, she also was able to handle massive battle damage. The most famous operation involving the Hornet was the Doolittle Raid. Supported by the Enterprise, the Hornet launched sixteen B-25 light bombers for an attack on the Japanese capital of Tokyo. The impact of this attack lead to the Japanese Navy escalating their plans for Operation-MI, leading to the Americans ambushing and destroying their carrier force supporting the attack on Midway Island. The Hornet was heavily engaged with the Japanese Navy until battle damage during the Battle of the Santa Cruz Islands, where the ship was forced to be abandoned. Despite repeated attempts to scuttle the ship, she refused to sink until torpedoed by several Japanese destroyers.

The USS Enterprise was the only ship of the class to survive the war and was heavily involved with nearly every battle in the Pacific War. During the war she served heavily, and at one point she was the only operational carrier in the Pacific, after both her sister ships and the much less capable USS Wasp were lost in combat. All during the war, the Enterprise was constantly upgraded and refitted, making it more and more capable in combat. Included in these various upgrades was the addition of torpedo blisters, improved Anti-aircraft defenses, and electronics upgrades to allow for night operations. She served in the Pacific War until she was struck directly on her forward elevator by a Japanese kamikaze aircraft, taking her out of action and requiring extensive repairs. Those repairs were complete in time for the ship to be present at the Japanese surrender on board the USS Missouri. The Enterprise was scrapped following the end of the war.


  • Type: Aircraft Carrier
  • Service Period: 1937-1947
  • Characteristics
    • Length:
      • Waterline: 770 feet (234.7 meters)
      • Main Hull: 809 feet 9 inches (246.81 meters)
      • Overall: 824 feet 9 inches (251.38 meters)
    • Beam:
      • Waterline: 83 feet (25.3 meters)
      • Flight Deck: 109 feet 6 inches (33.38 meters)
    • Draft: 26 feet (7.93 meters)
    • Displacement:
      • Standard: 19,800 long tons (20,100 tons)
      • Full Load: 25,500 long tons (25,900 tons)
  • Crew: 2,217
  • Installed Power: 120,000 shp (89 MW)
  • Propulsion: 9 boilers
  • Range: 12,500 nautical miles (23,150 kilometers)
  • Speed: 32.5 knots (60.19 km/hr)
  • Armament
    • 8 x 5"/38-caliber guns
    • 4 x quad 1.1"/75-caliber guns (replaced by 40mm Bofors guns on Enterprise)
    • 24 x .50-caliber machine guns (replaced by 20mm Oerlikon cannons on all ships)
  • Aircraft Carried: Up to 90

Unit Run

Related Class

  • USS Wasp CV-7
    • The Wasp-Class is a Yorktown-class vessel that was finished as a smaller design(due to new treaty restrictions) with limited success. Part of the reason for the new restrictions was the politicians of various Washington Arms Signatories not seeing Aircraft Carriers as viable warships but the converting of battlecruisers over to them a loophole in the treaty, as they feared the hulls being later converted back into battlecruisers. The design tried to retain the same aircraft compliment with a much lower displacement(19,116 long tons fully loaded). The ship was not as capable and too easily damaged in combat. The USS Wasp sank after taking only 3 torpedo hits from a Japanese submarine. For perspective, at the Battle of Midway, USS Yorktown took 3 bomb hits and 2 torpedo hits and stayed in a salvageable state. It took an additional 6 torpedoes from the sub attack to finally sink the ship.


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