The trip spotlighted some of the ongoing activity in the defense aspect of the relationship.

Japanese fighter jets scrambled to intercept a Russian strike attack aircraft over the Sea of Japan on December 19.

Japan has made a final decision to buy 9 E-2D Advanced Hawkeye Aircraft from the United States.

Japan’s Ministry of Defense misidentified a Su-35S Russian fighter jet intercepted by Japanese aircraft on September 19.

Japan scrambled fighter jets to intercept Russian fighter jets approaching Japanese airspace on September 19.

The total contract value for the nine Airborne Early Warning and Control aircraft is estimated at around $3.135 billion.

Japan scrambled fighter jets to intercept three Russian aircraft approaching Japanese airspace on September 1.

Japan and the United Kingdom are exploring options to collaborate on a new advanced stealth fighter jet.

The Japanese defense minister is reportedly arranging a visit to India in August to discuss expanding military exercises between the two countries.

South Korea and Japan scrambled fighter jets to intercept Russian bombers approaching the air spaces of both countries.

Getting there won't be easy, but an updated F-22 is, in theory, a formidable concept.

Tokyo looks to American and indigenous alternatives as a result of the joint strike fighter’s shortcomings.

The number of Japan Air Self Defense Force scrambles decreased by 23 percent during fiscal year 2017.

Two Russian bombers hurtled close to U.S. and Japanese bases including Misawa Air Base, Yokosuka Naval Base and Atsugi Air Base.

Once one of the world’s most capable air forces, Japan now finds itself outmatched in air-to-air combat capabilities.

Japan’s first supersonic air-launched anti-ship missile is slated to enter service in 2019.