What is the spiritual flag of aviation people?

Especially hard-working, especially fighting, especially tackling key problems, especially dedication.

The arduous course of China's development of solid rocket motor shows the astronaut's space spirit of defying difficulties and facing difficulties, and has been adhering to the lofty spirit of "nation first, striving for first-class", gradually narrowing the gap with the world's advanced level. Since the beginning of the new century, the scientific research and production of the Fourth Hospital has entered a new stage of leap-forward development. With the progress of science and technology and the enhancement of national strength, the research and production of solid rocket engines have entered the world advanced level, which can be compared with the world first-class level.

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At present, the National Flag Education Exhibition Hall also displays the national flags used by the Chinese People's Navy Baoding Ship, Jiaxing Ship, a submarine unit of the Navy and the Tong Guan Station of the Navy Sheshan, as well as the national flags used in the flag-raising ceremony in Sansha City. In the future, the National Flag Education Exhibition Hall will continue to enrich its collection and further tell the story of the national flag and China with rich and detailed historical materials and vivid examples.