1China has made a big progress in naval power during 30 years

2American officials worry about China's naval build-up that they drawn in China's conflict in disputed territory

3 Russian officials worry about China's progress in economic and military that they sell weapons not only to China but also to China's rival India.

4 China's growing in Naval should be welcomed for it would play a positive role in maritime security

5 The reason of China understanding America deploying navy beyond its own waters is that China also deploying  its navy out of the district which  can keep security in Asian trade

6America should encourage China joininmore of its manoeuvres that would help ensure global security rather that threaten.