1. "China, a Pacific power that shocked the world": This documentary gives a detailed introduction to the modernization development of China's army and the improvement of its national defense strength, including weapons and equipment, training level and military policy.

2. Military Magic: This documentary reveals the training and actions of China's special forces and shows the elite strength and fighting will of China's army.

3. Defending the Frontier: This documentary records the work of China's army in the western frontier, focusing on the duties and combat readiness of the border guards.

4. Top of Strength: This documentary presents the research and development and production process of modern weapons and equipment in China, and reveals China's progress and innovation ability in the field of military technology.

5. Red Star Illuminates China Sky: This documentary traces the history of China's aviation industry and shows the development and combat capability of China Air Force.

Please note that these documentaries may have different positions and propaganda tendencies, and the audience should be able to distinguish and synthesize other information to evaluate China's military strength and national defense strength.