To meet the increasing armament of China and Japan, South Korea has been increasing its defence expenditure, which is now $34 billion. It maintains a large army of over 640,000 active personnel and 2,900,000 additional personnel in the reserve, alongside the 6th largest air force with 1,393 aircraft, as well as a small 166 ships. The country has about 15,000 land weapons, including rocket systems, as well as 2,346 tanks.