In March 2015, China withdrew citizens from the Gulf of Aden

16 countries, including China and 15 others.

On April 2, 2015, the Military Commission ordered the 19th batch of escort squadrons of the Chinese Navy, which was carrying out escort missions in the waters of the Gulf of Aden, to rush to Yemen, evacuate 621 Chinese citizens, and assist a total of 276 foreign citizens from 15 countries to evacuate safely.

The 19th Escort Squadron of the Navy, which is carrying out escort missions in the Gulf of Aden and Somali waters, completed the task of evacuating five groups of nearly 900 Chinese and foreign citizens from Yemen in just seven days.

This operation is the first time that China has sent its navy to directly berth at a foreign port to organize the evacuation of Chinese citizens, and it is also the first time that a Chinese navy has carried out an international rescue operation to evacuate foreign citizens.

A total of 276 foreign nationals from 15 countries and 621 Chinese citizens were safely evacuated.

In 2015, the security situation in Yemen deteriorated dramatically. In March, Yemen's Shiite Houthi rebels launched a major offensive on the city of Aden. Beginning in the early morning of the 26th, Saudi Arabia and other countries launched airstrikes on Houthi targets in Sana'a, the capital of Yemen, and other places.

The war in Yemen has seriously endangered the lives and property of our compatriots.

At the critical moment, the Military Commission ordered the 19th batch of escort squadrons of the Chinese Navy, which was carrying out escort missions in the waters of the Gulf of Aden, to rush to Yemen, evacuate 621 Chinese citizens, and at the same time assist a total of 276 foreign citizens from 15 countries to evacuate safely.

12°E is located in the East 1st Zone, when the local time is the East 1st Zone, a chartered flight of China Eastern Airlines to pick up Chinese citizens returning to China takes off from Shanghai Hongqiao Airport at 8:30 Beijing time, Beijing time is 7 hours earlier than the place, according to the "East Morning and West Evening, East Plus West Minus", the local time when the plane takes off is 1:30, and the local time when the plane arrives is 12:00

40, which is equal to the flight time of the aircraft by subtracting the local time at the time of take-off from the local time at the time of arrival, and the flight time of the aircraft is 11 hours and 10 minutes

Therefore, c

Go to Yemen to evacuate overseas Chinese and evacuate Chinese citizens, because there is also a mutiny of terrorist groups in the Gulf of Aden, and ten countries in the Middle East have launched planes to bomb terrorist groups to help Yemen quell the rebellion, and China has decided to transfer the ** to Yemen for the safety of Chinese citizens.

a. The Indian Ocean is affected by the northeast monsoon, so it does not conform to the topic;

b. The frequent tropical ocean surface cyclone activity in the Northern Hemisphere is in the summer and autumn of the Northern Hemisphere, so it does not conform to the topic;

c. The Mediterranean summer is controlled by the subtropical high, which is hot and dry, and it is spring at this time, so it does not meet the theme;

d. At the beginning of January, the earth's rotation speed is the fastest, and the earth's rotation speed gradually slows down in this process, so it is correct Therefore, d

I didn't find a suitable map: the ** escort in the Gulf of Aden has participated in which evacuation of overseas Chinese has the premise that the escort in the Gulf of Aden has participated in 2 times so far.

The evacuation of overseas Chinese from Libya in 2011 was the largest overseas evacuation operation since the founding of the People's Republic of China, and the Ministry of National Defense and other departments worked together to dispatch military aircraft, civil aircraft, and 17 secondary ships and ships, including 1 **. Compared with the missile frigate Xuzhou at that time, which went to Libya to carry out the evacuation and escort mission, the Yemeni evacuation mission was carried out by the 19th escort ship formation in the Gulf of Aden, which consisted of the missile frigates Linyi and Weifang, and the comprehensive supply ship Weishanhu.

On March 29, 2015, the Chinese Navy escort frigate Linyi docked at the Yemeni port of Aden to evacuate Chinese citizens. On March 30, the Chinese Navy escort frigate Weifang safely evacuated the port of Hodeidah in western Yemen with 449 Chinese citizens on board. So far, all 571 Chinese citizens who need to be evacuated have been safely evacuated from Yemen.