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在线翻译:
szdaily -> In depth
The making of heroes
    2018-January-23  08:53    Shenzhen Daily

The making of heroes

The women and men of China's space program

This month the Taikonaut Corps of People’s Liberation Army celebrates its 20th anniversary. Over the past two decades, 21 taikonauts were selected from the ranks of air force pilots. They have completed six missions, conducted over 100 experiments in space and orbited the earth for a total 68 days and nights.

TAIKONAUT Zhang Xiaoguang prepared for 15 years to go into space.

Zhang, one of the 14 pilots recruited as China’s first batch of taikonauts, was 32 when he joined the Taikonaut Corps of People’s Liberation Army at its founding in 1998.

In order to pass the more than 30 fundamental courses that are required of every taikonaut, he wrote over 200,000 Chinese characters’ worth of study notes.

He studied advanced mathematics, aerodynamics, astronomy, English, environmental science, medicine, psychology, space science and technology and many other theoretical courses, all in one year, a superhuman task equal to compressing a normal college student’s four-year curriculum into 12 months.

Liu Yang, a part of the second batch of taikonauts inducted in 2010 and China’s first woman in space in 2012, described the taikonaut life as “becoming a student once more.”

To pilot the spacecraft, Zhang had to memorize nine spaceflight manuals. He learned from Yang Liwei, China’s first man in space. He bought a camera, took photos and videos of every nook and cranny of the capsule simulator, saved them on his computer, and pored over them whenever he had a spare second.

Zhang could soon close his eyes and tell the name, position and function of every button on the flight deck, without a mistake. He was described by his crewmate Nie Haisheng as the most persistent man he had ever met.

In 2013, Zhang, Nie and Wang Yaping were selected for the Shenzhou-10 mission, Zhang’s first trip to space. To an audience of over 300 schoolchildren in a Beijing auditorium, Wang delivered China’s first lecture from space with Zhang as her cameraman.

On its 15-day journey, Shenzhou-10 docked with orbiting space lab Tiangong-1 twice, taking China ever closer to the objective of a permanent, manned space station by 2020.

On his return to Earth, Zhang said, “We were dreamers, and now our dream has come true.”

While chasing that dream, he failed the selection tests for the Shenzhou-5, Shenzhou-6, Shenzhou-7 and Shenzhou-9 manned space missions. But Zhang didn’t give up. Instead, he worked even harder.

“Without exceptional tenacity,” said Huang Weifen, deputy chief designer of the taikonaut system with the Taikonaut Center of China, “they don’t make it.”

Apart from theoretical study, taikonauts are subjected to a panoply of physical and psychological training.

Hypoxia was Zhang’s problem, crucial to taikonaut selection.

In a pressure chamber, taikonauts go through a simulated ascent from ground level to an altitude of 5,000 meters in five minutes, with all the dizziness, nausea and even shock that oxygen deprivation brings.

In an attempt to turn his weakness into strength, Zhang was always the first to arrive at the training center and the last to leave. In the selection test for Shenzhou-10, he was the top scorer.

The aerotrim, or spinning chair, is a classic taikonaut training instrument designed to strengthen balance and spatial orientation. Lasting 10 minutes is considered “excellent,” but Zhang always pushed himself on for 15 minutes. Nie said Zhang always does things “perfectly.”

Training for spacewalks in a weightless environment, Zhang wore a suit weighing over 160 kilograms and stayed underwater for four hours at a time, losing two kilograms or more in each session.

High-G training in a centrifuge forces the body to endure pressure equaling eight times its own weight. Muscles on the face become distorted, breathing is difficult and the forehead bulges. There is a red stop button inside the centrifuge, but Zhang has never pressed it. When the mother of Liu Wang, one of the crew members of the Shenzhou-9 mission, had a chance to watch her son’s centrifuge training on a monitor, she cried and refused to watch any more.

In early January, to commemorate the 20th anniversary of the taikonaut corps, all 11 taikonauts who have been to space gathered in one of the training centers, raised their clenched fists, and revisited the oath of bravery and commitment they took years before.

“Our space dream knows no boundary, and our toil will never cease,” Zhang said. (Xinhua)

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