Gwadar port is a deep-sea port next to the Strait of Hormuz that connects the USD 46 billion China-Pakistan Economic Corridor (CPEC) through PoK with China's Xinjiang. The port is also part of a key oil route in and out of the Persian Gulf, built with Chinese funding and operated by mainland firms.
Although the port is not home to any PLA installation, navy ships are expected to dock at the facility in the near future, the report said.
The expanded Chinese marine corps is part of a wider push to refocus the world's largest army away from winning a land war based on sheer numbers and towards meeting a range of security scenarios using highly specialised units, the report said.
Towards that end, Chinese President Xi Jinping is reducing the size of the People's Liberation Army or PLA by three lakh, with nearly all of the cuts coming from the land forces, it said.
For this, two brigades of special combat soldiers had already been moved to the marines, nearly doubling its size to 20,000, and more brigades would be added, the report said.
"The PLA marines will be increased to 100,000, consisting of six brigades in the coming future to fulfil new missions of our country," it quoted a source as saying.
China this year plans to increase its defence spending by about seven per cent to USD 152 billion. Much of it was expected to go to the navy as China plans to spread its influence far from its shores.
Traditionally, marines have mostly operated only in China's coastal areas, as their role was limited by their relatively small numbers and basic equipment, Beijing-based naval expert Li Jie said.
But a bigger corps could be deployed much farther afield as the navy takes on more challenges.
(with inputs from PTI)
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