Military drill in an area spanning from southeast of Rongcheng in Shandong province down to waters near Lianyungang in Jiangsu, which is also the same length as the western coastline of Taiwan facing the mainland. Shangdong is also a part of Northern Theather command.

https://web.archive.org/web/20220516005301/https://www.scmp.com/news/china/military/article/3140517/china-conducts-military-drills-east-coast-yellow-sea