Chapter 478: Laser Communication

The United States, out of some considerations, did not stand up to dismantle OPEC's platform.

With the connivance of European and American countries, during this time, Saudi Arabia, the United Arab Emirates and other countries have frequently taken action against China and Russia, manipulating oil prices to strengthen the energy status of oil and crack down on the promotion of Golden Dragon batteries.

On the other hand, OPEC has also begun to step up its pre-war propaganda efforts against Somalia.

The black history of Yusuf and others, who were born as pirates, has also been dug up again and frequently exposed in the media.

For example, when Yusuf was fifteen years old, when he and his army returned to the village where he was born and found that his parents had died of poverty, he set fire to the entire village.

At the age of twenty-one, he led his cronies to shoot and kill the warlord leader who was carrying him, and set himself up as king, snatching the position of the number one warlord in Puntland Province. Subsequently, the pirate group led by Yusuf also hijacked a Ukrainian cargo ship carrying a large number of arms such as main battle tanks and Saudi Arabia's "Sirius", shocking the world.

The most shocking thing is the hijacking of the missile cruiser "Vila Bay" a year ago, Somalia not only sabotaged the rescue plan of the US special forces and forced the United States to sign an alliance under the city, but also repelled the attacks of Kenya and Egypt, which were backed by the United States behind the scenes.

Since then, Ahdi has visited China as the Prime Minister of the Somali Republic and signed a comprehensive cooperation agreement with China, and the whole world knows that Somalia is an ally of the Chinese.

So, when Somalia is once again making headlines in the international media, especially when Saudi Arabia and other national dignitaries begin to frequently express their desire to fight terrorism and piracy, the world smells something strange.

China and Russia are making every effort to promote the Golden Dragon battery, and the first thing they touch is the interests of oil countries, and Saudi Arabia and other countries choose to attack Somalia at this time, which is completely reasonable.

………………

The sea east of Somalia. At a depth of 300 meters south of Socotra, a huge Typhoon-class nuclear-powered submarine is slowly diving at five knots per hour under the propulsion of magnetohydrodynamic thrusters.

In the submarine's command module, a curved holographic display is broadcasting news footage from Al Jazeera in real time.

"A new round of war in the Middle East is about to break out, and yesterday morning the Arab League issued an ultimatum to the Somali puppet regime, demanding that Somalia hand over the pirate leaders Ahdi and Yusuf. The ultimatum is dated December 30. ”

On the morning of 23 July, His Royal Highness Crown Prince Salman of Saudi Arabia met with Chinese Foreign Minister Tang XX, who had conducted diplomatic mediation on the Somali piracy crisis, but the two sides did not reach an agreement on the Somali issue. ”

"According to Reuters, the spokesperson of the Somali Ministry of Defense issued the latest statement on the Arab League's unveiled new 'ultimatum', while expounding Somalia's principled position, announcing that the Somali army has put the territory of the Arab League member states in the strike circle. The statement said that the Arab League's public ultimatum is to constantly push the situation on the Somali peninsula to a critical point in an attempt to ignite the fuse of war at any moment. ”

"U.S. President O'Ao Guanhai said in a speech at the White House yesterday that the United States will not intervene in the military conflict between the Arab League and the Somali government. ”

……

Chen Xin held a glass of red wine. Sitting comfortably in the command chair, I was not in the slightest nervous about the situation in Somalia.

"Lao Dou, the satellite communication signal is normal, the blue-green laser receiver is normal, and the transmission rate is 45Gbit/s, which can ensure our communication and command in this war!"

Chen Xin showed a smile on his face and said, "That's good!"

Send Qiao Ting back to China and return to Mogadishu to set up. Chen Xin used the Guò Little Butterfly Armor to secretly infiltrate a Typhoon-class cruise missile nuclear submarine on patrol duty off the east coast of Somalia.

In order to prevent Saudi Arabia and other countries from jumping over the wall. Chen Xin was not prepared to stay in Mogadishu, and he decided to use the submarine as the command center of the war.

But there is a big challenge to overcome.

Submarines must have a safe and reliable way of communication with the outside world to carry out military tasks, and short waves cannot be used in the water, because the short waves decay too quickly in the water, in order to solve this problem, people use buoy antennas or buoyancy antennas. That is, the antenna is applied to the surface of the water, so that the submarine can also transmit signals underwater.

But in reality, there is still the problem of self-exposure of submarines, because submarines communicate with short-wave at long distances, and their signals themselves are not secret. It is possible that the enemy will intercept and decipher and measure the position of the submarine, and the exposed buoy antenna may also be detected by enemy radar.

Therefore, under normal circumstances, nuclear submarines can only passively and unilaterally receive radio ultra-long-wave signals or extremely long-wave signals on the shore, which is the main way of communication to submarines on the shore.

The wavelength of the ultra-long wave is 10,000 to 100,000 meters, it can drill into the water from the air, the attenuation in the water is relatively small, and the depth of penetrating the sea water can reach up to 30 meters, so that the underwater submarine can receive the radio waves sent from the shore.

With a wavelength of more than 100,000 meters, the extremely long wave can communicate with submarines almost on a global scale, penetrating water layers to a depth of more than 200 meters, and reaching about 80 meters underwater even at the maximum distance.

In 1972, the U.S. Navy's Wisconsin Extreme Long-Wave Communications Test Base conducted a launch test, and a U.S. Black Trevally nuclear submarine 120 meters underwater in the Atlantic Ocean 4,600 kilometers away received the station's signal.

Because the ultra-long wave and very long wave transmitting facilities are very large, covering an area of several square kilometers, it is impossible to install them on the submarine, so they can only be built on land, for the submarine, the ultra-long wave communication and the very long wave communication are only one-way broadcast communications, if the submarine wants to receive the instructions of the command organ on the shore, it must be received at the specified time and frequency.

The depth at which the submarine receives this long-wave signal underwater is determined by the transmission power of the long-wave transmitter on the shore. The communication speed is slow due to the small amount of information transmitted per unit time by very long wavelengths. According to the test, it takes several tens of minutes to send 20 letters of English letters, and it can only send some predetermined and easy-to-understand signals to the nuclear submarine, such as sending an order to launch a nuclear bomb to a ballistic missile nuclear submarine.

In order to ensure the command and communication of the Typhoon-class nuclear submarine, Chen Xin set aside two days to have build a laser communication satellite, and the blue-green laser produced by the xenon chloride laser on it can penetrate a water depth of 500 meters and communicate with the submarine.

With the guarantee of the Golden Dragon battery, the power of the communication satellite laser is amazingly large, and it can ensure contact with nuclear submarines in the depths of the ocean even in rainy weather. (To be continued......)