For a quarter century, the U.S. and its allies owned the skies, fighting wars secure in the knowledge that no opponent could compete in the air. As tensions with Russia and China surge, that’s no longer the case.

Rapid technological progress in China’s aerospace industry, particularly air-to-air missile systems fired from an aircraft, is changing the game for Western air forces and the global arms trade. It’s also altering the picture for China’s neighbors such as India.
“In the United States we’ve been on holiday for 25 years and maybe a little bit more,” Michael Griffin, under secretary of defense for research and engineering, said in a recent address to the Hudson Institute, a Washington think tank. “We failed to continue to fund the practices that had gotten us where we were, which was at the very top of the technological heap.”
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