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Gaofen-4: HD Earth observation satellite launched by China

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Beijing: China today launched its most sophisticated observation satellite, Gaofen-4, as part of the country’s high-definition (HD) earth observation project, Xinhua reported.

Gaofen-4 was launched from the Xichang Satellite Launch Centre in the southwestern province of Sichuan at 00:04 a.m. (local time) aboard a Long March-3B carrier rocket.

It was the 222nd flight of the Long March rocket series, according to the State Administration of Science, Technology and Industry for National Defense (SASTIND).

Gaofen-4 is China’s first geosynchronous orbit HD optical imaging satellite and the world’s most sophisticated HD geosynchronous orbit remote sensing satellite, according to Xu Dazhe, head of SASTIND and China National Space Administration.

The successful launch of Gaofen-4 was the 19th space mission in this year. It will be used for disaster prevention and relief, surveillance of geological disasters and forest disasters, and meteorologic forecast, according to Tong Xudong, the chief designer of the Gaofen project with SASTIND.

Gaofen-1, the first satellite of the project, was launched in April 2013. Relative success kept the program going on, and same is expected from this new project. (IANS), (image courtesy:i.space.com)

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US Warships Pass Through Taiwan Strait, China Rebukes

Beijing views any ships passing through the strait as essentially breaching its sovereignty

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US Warships, Taiwan Strait
The ships' transit through the Taiwan Strait demonstrates the US commitment to a free and open Indo-Pacific. Pixabay

China said Thursday it had lodged a protest with Washington after two US warships sailed through the Taiwan Strait amid rising tensions between the two powers.

The US Navy said the USS Preble, a destroyer, and USNS Walter S. Diehl, a supply ship, conducted a routine transit “in accordance with international law” on Wednesday.

“The ships’ transit through the Taiwan Strait demonstrates the US commitment to a free and open Indo-Pacific,” the navy said. “The US Navy will continue to fly, sail and operate anywhere international law allows.”

US warships periodically conduct “freedom of navigation” exercises in the narrow waterway separating the Chinese mainland and Taiwan, triggering angry responses from Beijing every time.

US Warships, Taiwan Strait

China said Thursday it had lodged a protest with Washington after two US warships sailed. Pixabay

Beijing views any ships passing through the strait as essentially breaching its sovereignty, while the US and many other nations view the route as international waters open to all.

“We have lodged solemn representations with the US,” Chinese foreign ministry spokesman Lu Kang said at a regular press briefing.

The sail-by comes on top of tensions between the United States and China over trade and US efforts to thwart Chinese telecom giant Huawei over security concerns.

The transit also comes as the US, Japan, South Korea and Australia kicked off operation “Pacific Vanguard” near Guam, bringing together more than 3,000 sailors from the four countries.

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Drills will focus on “live fire exercises, defensive counter-air operations, anti-submarine warfare, and replenishment at sea,” the US 7th Fleet said.

In April, Beijing said its navy warned off a French warship that had entered the Taiwan Strait and lodged an official complaint with Paris.

China sees Taiwan as part of its territory to be reunified, despite the two sides being ruled separately since the end of a civil war on the mainland in 1949.

The US diplomatically recognizes China over Taiwan, but remains the island’s chief military ally and arms supplier.

US Warships, Taiwan Strait
China sees Taiwan as part of its territory to be reunified. VOA

For the Guam naval drills, Australia has contributed two frigates, Japan two destroyers and South Korea one destroyer. The USS Blue Ridge, the 7th Fleet’s flagship, will lead the operation from the US side.

Home to more than 160,000 people, Guam was at the center of nuclear tensions between Washington and Pyongyang in 2017, with North Korea threatening to hit the US territory with “enveloping fire.” (VOA)