The Chinese research vessel Da Yang Yi Hao is berth at Ocean terminal in Hong Kong on August 10, 2007.

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Ryan Chan

By Ryan Chan

China News Reporter

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A Chinese scientific research vessel capable of mapping the seabed to support naval operations was tracked operating in waters near the Middle East for a month, while a United States aircraft carrier has arrived in the region amid ongoing tensions with Iran.

The U.S. Central Command, tasked with American military operations in the Middle East, announced on Monday that a naval strike group led by the aircraft carrier USS Abraham Lincoln was deployed to the region to promote security and stability.

The Chinese Foreign Ministry did not immediately respond to a request for comment.

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Why It Matters

In support of its naval operations farther afield, particularly in the Indian Ocean where its sea lines of communication are located, China has applied a dual-use approach by deploying civilian oceanographic research ships that can provide critical maritime data to the country's military, which operates the largest navy in the world by hull count.

The presence of a Chinese research vessel near the Middle East comes after President Donald Trump threatened regime change in Iran as Tehran violently cracked down on anti-government protests. He also ordered the U.S. military to prepare for a potential strike, The Wall Street Journal reported, which could be the second time in less than a year if it comes to pass.

What To Know

SeaLight, a Stanford University-affiliated maritime analysis group, reported on Sunday that the Da Yang Yi Hao, a Chinese research ship, has been surveying the Arabian Sea off the coasts of the Arabian Peninsula, India and Pakistan since December 19.

Strategically located, the Arabian Sea connects two major maritime areas in the Middle East: the Persian Gulf in the northwest via the Gulf of Oman and the Strait of Hormuz, and the Red Sea in the west via the Gulf of Aden and the Bab el-Mandeb Strait.

Using open-source ship-tracking data, a Newsweek map shows the vessel left China's northeastern coast and reached the Indian Ocean via the South China Sea and the Strait of Malacca. It then sailed south of India across the ocean to reach its current position.

When the Da Yang Yi Hao reached the Indian Ocean in mid-December, up to four additional Chinese research vessels were operating across the region, according to Damien Symon, an open-source intelligence analyst on the social media platform X.

According to SeaLight, the Da Yang Yi Hao is equipped with what it called "advanced ocean floor imaging systems" and remotely operated underwater vehicles for sampling, which enable it to map submarine terrain and intercept underwater communications.

The Da Yang Yi Hao, or Ocean No. 1, is China's first modern comprehensive oceangoing scientific research ship to explore the deep sea, Xinhua News Agency reported. It is designed to conduct geophysics, marine chemistry, and biological and acoustic research.

The February 2025 report, citing the country's oceanic affairs administration, noted that the vessel was upgraded to install remotely operated underwater vehicles, which would bolster its capabilities and provide reliable support for future deep-sea survey activities.

The Chinese research vessel Da Yang Yi Hao is berth at Ocean Terminal in Hong Kong on August 10, 2007.

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What People Are Saying

The Center for Strategic and International Studies' Hidden Reach initiative reported: "The PLA [People's Liberation Army] and its civilian surrogates are harvesting data from the world's oceans. While scientific and commercial benefits may accrue from Chinese oceanographic research, these activities may also prove crucial for the PLA in expanding its operational reach and capabilities in the Indian Ocean."

Guo Jiakun, a spokesperson for China's Foreign Ministry, said in response to a U.S. naval fleet deployment near Iran: "China hopes that Iran will maintain national stability and that all parties will cherish peace, exercise restraint, and resolve differences through dialogue."

What Happens Next

It remains to be seen whether China will send additional research ships to the Indian Ocean amid U.S. military deployments in the nearby Middle East. China has three naval vessels operating in the Gulf of Aden to escort commercial shipping.

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