Military power of China and Russia & Spain

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.

Spain is a country located in Southwestern Europe with an area of 505,990 km² (land boundries: 1,952.7 km and costline 4,964 km). The capital of Spain is Madrid. The number of inhabitants is 47,450,795.

Spain joined NATO in 1982. The inventory of the Spanish military is comprised of domestically-produced and imported Western weapons systems. Spain's defense industry manufactures land, air, and sea weapons systems and is integrated within the European defense-industrial sector.