Military power of China and Russia & Estonia

A hypothetical military alliance between China and Russia. The two countries share a land border and they signed the Treaty of Good-Neighborliness and Friendly Cooperation in 2001. A twenty-year strategic treaty extended or another 5 years after its expiration in February 2022. China is the world's most populous country, with a population of more than 1.4 billion people, on the other hand Russia is the largest country in the world by area, covering over 17,098,246 square kilometres.

Currently, China focuses on domestic weapon designs and manufacturing, while still importing certain military products from Russia, such as jet engines. In September 2018, Russia hosted the militaries of China and Mongolia as a part of the Vostok 2018 military exercise. Russia and China flew joint bomber patrols over the Pacific. China refused to condemn the Russian invasion of Ukraine. Following the implementation of international sanctions during the war, China provided economic relief to Russia.

Estonia is a country located in Eastern Europe, bordering the Baltic Sea and Gulf of Finland, between Latvia and Russia, with an area of 45,335 km² (land boundries: 657 km and costline 3,794 km). The capital of Estonia is Tallinn. The number of inhabitants is 1,373,101.

The Republic of Estonia is a member of NATO since 2004. Estonia has hosted (since 2017) a UK-led multinational NATO ground force battlegroup as part of the Alliance’s Enhanced Forward Presence initiative. NATO has provided airspace protection for Estonia through its Baltic Air Policing mission. Estonia is a member of the UK-led Joint Expeditionary Force, a pool of high-readiness military forces from 10 Baltic and Scandinavian countries. The Estonian military has a mix of equipment from European suppliers, as well as Israel, South Korea, Turkey, and the United States.