Military power of NATO & USA

The North Atlantic Treaty Organization (North Atlantic Alliance) is an intergovernmental military alliance which was signed in Washington on 4 April 1949. NATO is a system of collective security: its independent member states agree to defend each other against attacks by others countries. NATO's main headquarters are located in Brussels. The following twelve states signed the treaty and became the founding members: Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, Netherlands, Norway, Portugal, United Kingdom and United States. The following states joined the treaty after 1949: Greece, Germany, Turkey and Spain. Members who joined after the dissolution of the Soviet Union: Czech Republic, Hungary, Poland, Bulgaria, Estonia, Latvia, Lithuania, Romania, Slovakia, Slovenia, Albania, Croatia, Montenegro and North Macedonia.

Before and during the 2022 Russian invasion of Ukraine, several NATO countries sent army to reinforce the alliance's eastern flank. Alliance had deployed 40,000 troops along its 2,500 kilometres long Eastern flank to deter possible Russian aggression. On 5 July the North Atlantic Alliance members signed off on the accession protocols for Sweden and Finland and formally approved the decisions of the NATO summit.

Finland joined the alliance on 4 April 2023.

USA is a country located in North America with an area of 9,857,306 km² (land boundries: 12,002 km and costline 19,924 km). The capital of USA is Washington. The number of inhabitants is 331,449,281.

The United States is a member of NATO and was one of the original 12 countries to sign the North Atlantic Treaty in 1949. The US military's inventory is comprised almost entirely of domestically-produced weapons systems defense industry is capable of designing, developing, maintaining, and producing the full spectrum of weapons systems. The United States is the world's leading arms exporter.