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Guang Hua Kou: One of World's Largest Support Ships 

COSCO Heavy Transport

Guang Hua Kou

The Guang Hua Kou, one of the world's largest heavy lift semi-submersible ships, was launched in Guangdong on April 28, 2016. At 98,000 tons, it's one of the largest vessels of its size, anywhere in the world.
 

COSCO Heavy Transport

Layout

The Guang Hua Kou's massive deck, measuing 211.2 meters by 68 meters, can submerge under and then surface under (or vice versa) over large nautical cargo, like damaged warships or offshore oil rigs that can't travel on their own power,, offshore platforms by flooding its ballast tanks to lower its deck area underwater, humanitarian response, deep sea drilling and mining,  for transport around the world.
 

COSCO Heavy Transport

Large Ships for Dual Uses

Heavy lift semi-submersible ships like the Guang Hua Kou are an important part of civilian and military maritime operations; in addition to transport outsized immobile nautical cargo like this offshore rig foundation, their large size makes them suitable as sea bases for staging amphibious military and humanitarian missions.
 

COSCO Heavy Transport

A Heavy Future

The Guang Hua Kou is likely to be the first in COSCO Heavy Transport's increasing portfolio of high tech, special purpose large ships. While under civilian ownership and operated, the Guang Hua Kou is likely to be chartered in peacetime and war by the PLAN. Popular Science