Introduction to the main exhibition hall: The main building of the exhibition hall has a construction area of 3647 square meters. The main building adopts the ingenious concept of integrating the monument and the museum. The 36-meter-high monument stands high in the center of the main hall, symbolizing the rising rocket. The museum consists of a preface hall, determined to serve the country, Nie Shuai's simulation office and bedroom, satellite launch simulation demonstration hall, calligraphy and painting hall and other parts. Through a large number of text and picture materials, as well as national defense science and technology achievement models and Xichang launch demonstration models, the museum reproduces the Nie Shuai made great contributions to China's revolution and construction.