Jianggezhuang is a Chinese naval base approximately 15 miles (24 km) east of Qingdao

Qingdao

' also known in the West by its postal map spelling Tsingtao, is a major city with a population of over 8.715 million in eastern Shandong province, Eastern China. Its built up area, made of 7 urban districts plus Jimo city, is home to about 4,346,000 inhabitants in 2010.It borders Yantai to the...

 on the Yellow Sea

Yellow Sea

The Yellow Sea is the name given to the northern part of the East China Sea, which is a marginal sea of the Pacific Ocean. It is located between mainland China and the Korean Peninsula. Its name comes from the sand particles from Gobi Desert sand storms that turn the surface of the water golden...

. The base spans a bay 1.2 miles (1.9 km) across, with the main facilities located in the eastern portion of the bay. There are six piers, a dry dock, various service facilities and an underground submarine tunnel.

The base hosts China's Type 092-class ballistic missile submarine

Ballistic missile submarine

A ballistic missile submarine is a submarine equipped to launch ballistic missiles .-Description:Ballistic missile submarines are larger than any other type of submarine, in order to accommodate SLBMs such as the Russian R-29 or the American Trident...

 and Type 091-class nuclear attack submarines.