The US Navy trained positively in Southeast Asia, the intention blocks the channel of Chinese submarines

A Chinese Navy submarine was combat drilling

In recent years, the U.S. Navy submarine force more attention to the movement of China. CNN (CNN) 6 on 12, said: "The Chinese submarine in waters near the Philippines into the U.S. destroyer's sonar drag", this message immediately reproduced by the international mainstream media. However, the U.S. anti-submarine warships towed sonar why it around everywhere?

U.S. warships pulled "long tail"

The report quoted an anonymous U.S. Navy official as saying that things happen in the local time Thursday (11), Subic Bay in the Philippines, the U.S. military, "McCain," the destroyer was towed sonar suddenly a "Chinese submarine "hit, sonar damage to ships and submarines but not collision. The officials believe that this is not the Chinese side take the initiative to "harassment," the U.S. military, which is only an accident. Because too close to the submarine sonar may have been dragging around the latter or even crash the boat.

Towed sonar array, also known as towed sonar line is fixed at Hydrophone cable, the delay after the end of the ship to detect underwater targets, the noise can be used to intercept the submarine and remote monitoring, direction finding and identification. Usually the whole system out by the line array, towing cables, retractable devices and winch, cabinets and other components. Drag tactical sonar equipment is usually in the anti-submarine and submarine, with a total length of up to 1000-2000 m, detection range from 50 to 100 sea miles (1 nautical mile = 1852 meters).

Drag the issue of high-intensity sonar sound waves make the sea a few hundred kilometers away, have a concussion. This noise can range from disruption of migratory marine life, led to their re-hearing loss or even death, can be called "eco-killer."

U.S. aircraft carrier battle groups, or cruise the South China Sea

"McCain" is an early-type "Arleigh Burke" class destroyers, sonar portable drag, but not helicopters, anti-submarine is not exclusive. After the collapse of the Soviet Union, the U.S. military pressure facing the decline in anti-submarine, the destroyer towed sonar do not normally carry.

Not specialized in anti-submarine warfare ships dragging "tail" in the Subic Bay cruising, What is the purpose? Japan's "Yomiuri Shimbun" reported on the 13th, "McCain" was its collection of Chinese submarines voiceprint information. Malaysia, "Kuala Lumpur, security reviews," said Web site also contains the text, including the "McCain" No. 4, including the "Aegis" destroyers waters in Southeast Asia after the exercise, the exercise is to "the South China Sea dispute" as the background. This reflects the strategic layout of the U.S. Navy, the South China Sea with the aim of the combat environment, and research and Southeast Asian countries combat the possibility of synergy.

June 10, the U.S. "Washington" aircraft carrier left Yokosuka to "Article 7 Fleet area of responsibility," the beginning of the deployment of the first summer. As the U.S. Navy in the heart of the Seas of East Asia to combat forces, the aircraft carrier battle groups under the jurisdiction of the 15th Destroyer Squadron; warships of the squadron of 7 years, including "McCain" destroyer.

A naval unit on condition of anonymity, an expert on the "Youth Reference" newspaper said that although the U.S. Navy made no mention of the "Washington" is intended to go, but taking into account its subsidiaries towing a sonar warships cruising offshore in the Philippines, "Washington" is the regional group of the cruise may be far away from this, anti-submarine warfare is about the importance of the deployment training.

"China threat" under the pretext of training and into

U.S. Navy Sea in Southeast Asia continue to strengthen the anti-submarine exercises, one of the reasons is the strength of China as a major threat to underwater. U.S. think tank, "Jamestown Foundation" web site on the 12th to "accelerate the renewal of China's strategic nuclear submarine," said the text contained in the title, the new strategic nuclear submarine service, so that sea-based strategic nuclear deterrent forces of China occurred in a "revolutionary change." Therefore, the Taiwan Strait as soon as the outbreak of military conflict in the region, taking into account likely to face a nuclear strike against China, the U.S. military intervention will not blindly.

The article also suggested that China's sea-based nuclear forces in view of the escalation, as well as the frequent nuclear submarines in the western Pacific, the U.S. Navy surveillance must be strengthened in order to grasp the specific trends.

A naval unit, according to expert analysis, taking into account China's marine environment, the Japanese archipelago waters of the eastern side of the network is complete anti-submarine, the submarine would like to enter the western Pacific Ocean is difficult. In contrast, a better way through the Philippine waters to the southeast, directly into the western Pacific. The reason for this lies, first of all the complexity of the local sea conditions for the submarine and the adoption of an ambush; Then the Philippines and other countries anti-submarine technology is backward, it is difficult to effectively block (after the collision, the Philippines navy commander said that the Philippine military is not the equipment can detect submarines ).

However, the U.S. military will not sit their "anti-chain" a gap, a positive training waters in Southeast Asia (such as "McCain" is done), it also did not forget other countries in one way or another. According to ABC reports on the 13th, the U.S. Navy is working with Singapore to hold anti-submarine exercises in the South China Sea, the two sides of the submarine sent out, the exercise will end on the 19th.

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