Military power of China and North Korea & South Korea

The China-DPRK Treaty on Friendship is a treaty signed on 11 July 1961 between North Korea and China. The treaty obligates China militarily to defend North Korea and vice versa.North Korea enjoys a close relationship with China which is often called North Korea's closest ally. The relations were strained in the last few years because of China's concerns about North Korea's nuclear program. Both countries have nuclear weapons.

South Korea is a country located in Eastern Asia with an area of 100,210 km² (land boundries: 237 km and costline 2,413 km). The capital of South Korea is Seoul. The number of inhabitants is 51,709,098.

US-South Korea Mutual Defense Treaty is a cornerstone of South Korea’s security. The Treaty gave the US permission to station land, air, and sea forces in the territory of South Korea. The USA maintained approximately 28,000 military personnel in the country. South Korea has been engaged with NATO through dialogue and security cooperation since 2005 and is considered by NATO to be a global partner. The South Korean military is equipped with a mix of domestically-produced and imported weapons systems. The top foreign weapons supplier is the United States and some domestically-produced systems are built under US license.