KEY POINTS
  • The plans are the clearest indication yet of Japan's ambition to become a regional power as a military build-up by China and a resurgent Russia puts pressure on its U.S. ally.
  • Japan plans to buy 45 Lockheed Martin Corp F-35 stealth fighters, worth about $4 billion, in addition to the 42 jets already on order, according to a separate five-year procurement plan approved on Tuesday.
Japan Air Self-Defense Force F2 fighter jets fly during the annual review of the country's Self-Defense Forces at the Japan Ground Self Defense Force Camp Asaka on October 14, 2018 in Asaka, Japan.

Japan will accelerate spending on advanced stealth fighters, long-range missiles and other equipment over the next five years to support U.S. forces facing China's military in the Western Pacific, two new government defense papers said.

The plans are the clearest indication yet of Japan's ambition to become a regional power as a military build-up by China and a resurgent Russia puts pressure on its U.S. ally.