Chinese battlefield was the main battlefield against Japanese fascists have been fought and pinned down most of the army and a large number of the Japanese air force and navy.

中国战场是抗击日本法西斯的主要战场，一直抗击和牵制着日本大部分陆军和大量的海空军。

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And this article made an elementary research on the serious conditions that Chinas air force faced after the outbreak of Anti-Japanese War, the modes, result and characters of this united fight.

本文从抗战爆发后中国空军面临的严重局势、中苏空军联合作战方式和战绩、特点等方面，作一初步探讨。

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Two were delivered to the Japanese air force earlier this spring.

CENTERFORSECURITYPOLICY: Firing offense

Such data will be screened and cleared for release to the Japanese by defense technology experts from the U.S. Air Force and Department of Defense.

CENTERFORSECURITYPOLICY: The US-Japan FS-X Fighter Agreement: Assessing The Stakes

Roman Martov, a spokesman for the Russian air force's eastern district, was quoted by Russian media as saying the planes did not enter Japanese airspace.

BBC: Russian fighter jets 'breach Japan airspace'